Nouns Starting With I

Here's the list of all the 5488 Nouns Starting With I in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Nouns (with Definitions and Examples)
in
1. a unit of length equal to one twelfth of a foot
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information
1. a message received and understood
2. knowledge acquired through study or experience or instruction
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info
1. a message received and understood
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item
1. a distinct part that can be specified separately in a group of things that could be enumerated on a list
2. a small part that can be considered separately from the whole
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internationalMore Definitions →
internet
1. a computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange
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index
1. a numerical scale used to compare variables with one another or with some reference number
2. a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
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image
1. an iconic mental representation
2. (Jungian psychology) a personal facade that one presents to the world
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insurance
1. promise of reimbursement in the case of loss; paid to people or companies so concerned about hazards that they have made prepayments to an insurance company
2. written contract or certificate of insurance
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industry
1. the people or companies engaged in a particular kind of commercial enterprise
2. the organized action of making of goods and services for sale
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issue
1. an important question that is in dispute and must be settled
2. one of a series published periodically
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interest
1. a sense of concern with and curiosity about someone or something
2. a reason for wanting something done
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id
1. (psychoanalysis) primitive instincts and energies underlying all psychic activity
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island
1. a land mass (smaller than a continent) that is surrounded by water
2. a zone or area resembling an island
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individual
1. a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential
2. a single organism
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increase
1. a quantity that is added
2. a change resulting in an increase
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income
1. the financial gain (earned or unearned) accruing over a given period of time
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institute
1. an association organized to promote art or science or education
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inside
1. the region that is inside of something
2. the inner or enclosed surface of something
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investment
1. the act of investing; laying out money or capital in an enterprise with the expectation of profit
2. money that is invested with an expectation of profit
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inn
1. a hotel providing overnight lodging for travelers
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industrialMore Definitions →
idea
1. the content of cognition; the main thing you are thinking about
2. your intention; what you intend to do
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independent
1. a neutral or uncommitted person (especially in politics)
2. a writer or artist who sells services to different employers without a long-term contract with any of them
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improveMore Definitions →
impact
1. the striking of one body against another
2. a forceful consequence; a strong effect
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introduction
1. the act of beginning something new
2. the first section of a communication
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interface
1. (chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
2. (computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system
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input
1. signal going into an electronic system
2. a statement that expresses a personal opinion or belief or adds information
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internalMore Definitions →
instructions
1. a manual usually accompanying a technical device and explaining how to install or operate it
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implementation
1. the act of accomplishing some aim or executing some order
2. the act of implementing (providing a practical means for accomplishing something); carrying into effect
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installation
1. the act of installing something (as equipment)
2. a building or place that provides a particular service or is used for a particular industry
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ice
1. water frozen in the solid state
2. the frozen part of a body of water
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initial
1. the first letter of a word (especially a person's name)
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improvement
1. a change for the better; progress in development
2. the act of improving something
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intendedMore Definitions →
inch
1. a unit of length equal to one twelfth of a foot
2. a unit of measurement for advertising space
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icon
1. (computer science) a graphic symbol (usually a simple picture) that denotes a program or a command or a data file or a concept in a graphical user interface
2. a visual representation (of an object or scene or person or abstraction) produced on a surface
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iron
1. a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
2. a golf club that has a relatively narrow metal head
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integration
1. the action of incorporating a racial or religious group into a community
2. the act of combining into an integral whole
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interview
1. the questioning of a person (or a conversation in which information is elicited); often conducted by journalists
2. a conference (usually with someone important)
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intelligence
1. the ability to comprehend; to understand and profit from experience
2. a unit responsible for gathering and interpreting information about an enemy
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injury
1. any physical damage to the body caused by violence or accident or fracture etc.; the condition of an injury
2. an accident that results in physical damage or hurt
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infrastructure
1. the basic structure or features of a system or organization
2. the stock of basic facilities and capital equipment needed for the functioning of a country or area
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import
1. commodities (goods or services) bought from a foreign country
2. an imported person brought from a foreign country
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instant
1. a very short time (as the time it takes the eye to blink or the heart to beat)
2. a particular point in time
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increasingMore Definitions →
interior
1. the region that is inside of something
2. the inner or enclosed surface of something
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identity
1. the distinct personality of an individual regarded as a persisting entity
2. the individual characteristics by which a thing or person is recognized or known
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influence
1. a power to affect persons or events especially power based on prestige etc
2. causing something without any direct or apparent effort
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importance
1. the quality of being important and worthy of note
2. a prominent status
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instance
1. an occurrence of something
2. an item of information that is typical of a class or group
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ideal
1. the idea of something that is perfect; something that one hopes to attain
2. model of excellence or perfection of a kind; one having no equal
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ink
1. a liquid used for printing or writing or drawing
2. dark protective fluid ejected into the water by cuttlefish and other cephalopods
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instruction
1. a message describing how something is to be done
2. the activities of educating or instructing; activities that impart knowledge or skill
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investigation
1. an inquiry into unfamiliar or questionable activities
2. the work of inquiring into something thoroughly and systematically
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institution
1. an organization founded and united for a specific purpose
2. an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
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investor
1. someone who commits capital in order to gain financial returns
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identification
1. the act of designating or identifying something
2. evidence of identity; something that identifies a person or thing
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inventory
1. a detailed list of all the items in stock
2. the merchandise that a shop has on hand
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inspection
1. a formal or official examination
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initiative
1. readiness to embark on bold new ventures
2. the first of a series of actions
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illegalMore Definitions →
implement
1. instrumentation (a piece of equipment or tool) used to effect an end
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insert
1. a folded section placed between the leaves of another publication
2. an artifact that is inserted or is to be inserted
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instrument
1. a device that requires skill for proper use
2. the means whereby some act is accomplished
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intellectual
1. a person who uses the mind creatively
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interaction
1. a mutual or reciprocal action; interacting
2. (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons
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innovation
1. a creation (a new device or process) resulting from study and experimentation
2. the creation of something in the mind
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innerMore Definitions →
instructor
1. a person whose occupation is teaching
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imaging
1. the ability to form mental images of things or events
2. (medicine) obtaining pictures of the interior of the body
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investing
1. the act of investing; laying out money or capital in an enterprise with the expectation of profit
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ill
1. an often persistent bodily disorder or disease; a cause for complaining
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interpretation
1. a mental representation of the meaning or significance of something
2. the act of interpreting something as expressed in an artistic performance
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immigration
1. migration into a place (especially migration to a country of which you are not a native in order to settle there)
2. the body of immigrants arriving during a specified interval
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inquiry
1. a search for knowledge
2. an instance of questioning
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impossible
1. something that cannot be done
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infection
1. the pathological state resulting from the invasion of the body by pathogenic microorganisms
2. (phonetics) the alteration of a speech sound under the influence of a neighboring sound
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involvement
1. the act of sharing in the activities of a group
2. a connection of inclusion or containment
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independence
1. freedom from control or influence of another or others
2. the successful ending of the American Revolution
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insight
1. clear or deep perception of a situation
2. a feeling of understanding
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incident
1. a single distinct event
2. a public disturbance
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insider
1. an officer of a corporation or others who have access to private information about the corporation's operations
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integrity
1. an undivided or unbroken completeness or totality with nothing wanting
2. moral soundness
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intermediate
1. a substance formed during a chemical process before the desired product is obtained
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introduceMore Definitions →
infant
1. a very young child (birth to 1 year) who has not yet begun to walk or talk
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illness
1. impairment of normal physiological function affecting part or all of an organism
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integer
1. any of the natural numbers (positive or negative) or zero
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ion
1. a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
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intervention
1. the act of intervening (as to mediate a dispute, etc.)
2. a policy of intervening in the affairs of other countries
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invite
1. a colloquial expression for invitation
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intro
1. formally making a person known to another or to the public
2. a brief introductory passage to a piece of popular music
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installing
1. the act of installing something (as equipment)
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intent
1. an anticipated outcome that is intended or that guides your planned actions
2. the intended meaning of a communication
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injection
1. the forceful insertion of a substance under pressure
2. any solution that is injected (as into the skin)
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indicator
1. a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
2. a signal for attracting attention
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inclusion
1. the state of being included
2. the relation of comprising something
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interval
1. a definite length of time marked off by two instants
2. a set containing all points (or all real numbers) between two given endpoints
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investigateMore Definitions →
intensive
1. a modifier that has little meaning except to intensify the meaning it modifies
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imperial
1. a small tufted beard worn by Emperor Napoleon III
2. a piece of luggage carried on top of a coach
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isle
1. a small island
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interim
1. the time between one event, process, or period and another
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intensity
1. the amount of energy transmitted (as by acoustic or electromagnetic radiation)
2. high level or degree; the property of being intense
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integral
1. the result of a mathematical integration; F(x) is the integral of f(x) if dF/dx = f(x)
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invalid
1. someone who is incapacitated by a chronic illness or injury
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inflation
1. a general and progressive increase in prices
2. (cosmology) a brief exponential expansion of the universe (faster than the speed of light) postulated to have occurred shortly after the big bang
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illustration
1. artwork that helps make something clear or attractive
2. showing by example
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inspiration
1. arousal of the mind to special unusual activity or creativity
2. a product of your creative thinking and work
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immune
1. a person who is immune to a particular infection
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invention
1. the creation of something in the mind
2. a creation (a new device or process) resulting from study and experimentation
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intake
1. the process of taking food into the body through the mouth (as by eating)
2. an opening through which fluid is admitted to a tube or container
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incentive
1. a positive motivational influence
2. an additional payment (or other remuneration) to employees as a means of increasing output
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invitation
1. a request (spoken or written) to participate or be present or take part in something
2. a tempting allurement
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innocent
1. a person who lacks knowledge of evil
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intention
1. an anticipated outcome that is intended or that guides your planned actions
2. (usually plural) the goal with respect to a marriage proposal
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identifier
1. a symbol that establishes the identity of the one bearing it
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impression
1. a vague idea in which some confidence is placed
2. an outward appearance
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indie
1. a pop group not affiliated with a major record company
2. an independent film company not associated with an established studio
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invoice
1. an itemized statement of money owed for goods shipped or services rendered
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inspector
1. a high ranking police officer
2. an investigator who observes carefully
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integrateMore Definitions →
invasion
1. the act of invading; the act of an army that invades for conquest or plunder
2. any entry into an area not previously occupied
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infrared
1. the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range
2. electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
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incorporateMore Definitions →
ivory
1. a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses
2. a shade of white the color of bleached bones
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incoming
1. the act of entering
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imagination
1. the formation of a mental image of something that is not perceived as real and is not present to the senses
2. the ability to form mental images of things or events
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isolation
1. a state of separation between persons or groups
2. a feeling of being disliked and alone
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investigator
1. a scientist who devotes himself to doing research
2. someone who investigates
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insured
1. a person whose interests are protected by an insurance policy; a person who contracts for an insurance policy that indemnifies him against loss of property or life or health etc.
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infinite
1. the unlimited expanse in which everything is located
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instrumentalMore Definitions →
invisibleMore Definitions →
indication
1. something that serves to indicate or suggest
2. the act of indicating or pointing out by name
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interstate
1. one of the system of highways linking major cities in the 48 contiguous states of the United States
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italic
1. a style of handwriting with the letters slanting to the right
2. a typeface with letters slanting upward to the right
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intersection
1. a point where lines intersect
2. a junction where one street or road crosses another
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induction
1. a formal entry into an organization or position or office
2. an electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current
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incidence
1. the relative frequency of occurrence of something
2. the striking of a light beam on a surface
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interference
1. a policy of intervening in the affairs of other countries
2. the act of hindering or obstructing or impeding
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insulin
1. hormone secreted by the isles of Langerhans in the pancreas; regulates storage of glycogen in the liver and accelerates oxidation of sugar in cells
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integrating
1. the action of incorporating a racial or religious group into a community
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idle
1. the state of an engine or other mechanism that is idling
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irrigation
1. supplying dry land with water by means of ditches etc
2. (medicine) cleaning a wound or body organ by flushing or washing out with water or a medicated solution
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intimate
1. someone to whom private matters are confided
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idol
1. a material effigy that is worshipped
2. someone who is adored blindly and excessively
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intranet
1. a restricted computer network; a private network created using World Wide Web software
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internship
1. the position of a medical intern
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immunology
1. the branch of medical science that studies the body's immune system
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indices
1. a numerical scale used to compare variables with one another or with some reference number
2. a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
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insertion
1. a message (spoken or written) that is introduced or inserted
2. the act of putting one thing into another
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instrumentation
1. an artifact (that is instrumental in accomplishing some end) for accomplishing some end
2. the act of providing or using the instruments needed for some implementation
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insulation
1. the state of being isolated or detached
2. insulating material that reduces or prevents the transmission of heat or sound or electricity
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infringement
1. an act that disregards an agreement or a right
2. a crime less serious than a felony
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inlandMore Definitions →
interpretMore Definitions →
imagery
1. the ability to form mental images of things or events
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inadequateMore Definitions →
investigating
1. the work of inquiring into something thoroughly and systematically
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iris
1. plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and three drooping sepals
2. muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye
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illustrateMore Definitions →
ingredient
1. a component of a mixture or compound
2. an abstract part of something
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imprint
1. a distinctive influence
2. a concavity in a surface produced by pressing
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issuance
1. the act of providing an item for general use or for official purposes (usually in quantity)
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incorporation
1. consolidating two or more things; union in (or into) one body
2. learning (of values or attitudes etc.) that is incorporated within yourself
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idiot
1. a person of subnormal intelligence
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infinity
1. time without end
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infantry
1. an army unit consisting of soldiers who fight on foot
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insect
1. small air-breathing arthropod
2. a person who has a nasty or unethical character undeserving of respect
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initiate
1. someone new to a field or activity
2. someone who has been admitted to membership in a scholarly field
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impairment
1. the occurrence of a change for the worse
2. a symptom of reduced quality or strength
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issuing
1. the act of providing an item for general use or for official purposes (usually in quantity)
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inheritance
1. hereditary succession to a title or an office or property
2. that which is inherited; a title or property or estate that passes by law to the heir on the death of the owner
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interrupt
1. a signal that temporarily stops the execution of a program so that another procedure can be carried out
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illustrator
1. an artist who makes illustrations (for books or magazines or advertisements etc.)
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ivy
1. Old World vine with lobed evergreen leaves and black berrylike fruits
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inability
1. lack of ability (especially mental ability) to do something
2. lacking the power to perform
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inevitable
1. an unavoidable event
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interpreter
1. someone who mediates between speakers of different languages
2. someone who uses art to represent something
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initiation
1. a formal entry into an organization or position or office
2. the act of starting something for the first time; introducing something new
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ignorance
1. the lack of knowledge or education
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inventor
1. someone who is the first to think of or make something
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ignition
1. the process of initiating combustion or catching fire
2. the mechanism that ignites the fuel in an internal-combustion engine
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influenza
1. an acute febrile highly contagious viral disease
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intern
1. an advanced student or graduate in medicine gaining supervised practical experience
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inequality
1. lack of equality
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immigrant
1. a person who comes to a country where they were not born in order to settle there
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interfereMore Definitions →
immunity
1. the state of not being susceptible
2. (medicine) the condition in which an organism can resist disease
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informatics
1. the sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information
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influentialMore Definitions →
indexing
1. the act of classifying and providing an index in order to make items easier to retrieve
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inlet
1. an arm off of a larger body of water (often between rocky headlands)
2. an opening through which fluid is admitted to a tube or container
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interchange
1. a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams
2. mutual interaction; the activity of reciprocating or exchanging (especially information)
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indigo
1. a blue dye obtained from plants or made synthetically
2. deciduous subshrub of southeastern Asia having pinnate leaves and clusters of red or purple flowers; a source of indigo dye
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interoperability
1. (computer science) the ability to exchange and use information (usually in a large heterogeneous network made up of several local area networks)
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intrusion
1. any entry into an area not previously occupied
2. entrance by force or without permission or welcome
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illusion
1. an erroneous mental representation
2. something many people believe that is false
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imp
1. (folklore) fairies that are somewhat mischievous
2. one who is playfully mischievous
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insurer
1. a financial institution that sells insurance
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inhibition
1. (psychology) the conscious exclusion of unacceptable thoughts or desires
2. the quality of being inhibited
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inverse
1. something inverted in sequence or character or effect
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incubus
1. a male demon believed to lie on sleeping persons and to have sexual intercourse with sleeping women
2. a situation resembling a terrifying dream
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impulse
1. an instinctive motive
2. a sudden desire
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inhibitor
1. a substance that retards or stops an activity
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itinerary
1. an established line of travel or access
2. a guidebook for travelers
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interpreting
1. an explanation of something that is not immediately obvious
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irons
1. metal shackles; for hands or legs
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irregular
1. a member of an irregular armed force that fights a stronger force by sabotage and harassment
2. merchandise that has imperfections; usually sold at a reduced price without the brand name
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incrementalMore Definitions →
incidental
1. (frequently plural) an expense not budgeted or not specified
2. an item that is incidental
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incense
1. a substance that produces a fragrant odor when burned
2. the pleasing scent produced when incense is burned
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issuer
1. an institution that issues something (securities or publications or currency etc.)
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inflammation
1. a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
2. the state of being emotionally aroused and worked up
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ideology
1. an orientation that characterizes the thinking of a group or nation
2. imaginary or visionary theorization
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imprisonment
1. putting someone in prison or in jail as lawful punishment
2. the state of being imprisoned
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importing
1. the commercial activity of buying and bringing in goods from a foreign country
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invitingMore Definitions →
islander
1. an inhabitant of an island
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inference
1. the reasoning involved in drawing a conclusion or making a logical judgment on the basis of circumstantial evidence and prior conclusions rather than on the basis of direct observation
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ignorantMore Definitions →
instability
1. an unstable order
2. unreliability attributable to being unstable
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innocence
1. the quality of innocent naivete
2. the state of being unsullied by sin or moral wrong; lacking a knowledge of evil
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inconvenience
1. an inconvenient discomfort
2. a difficulty that causes anxiety
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inflatableMore Definitions →
imperative
1. a mood that expresses an intention to influence the listener's behavior
2. some duty that is essential and urgent
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inferior
1. one of lesser rank or station or quality
2. a character or symbol set or printed or written beneath or slightly below and to the side of another character
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indicative
1. a mood (grammatically unmarked) that represents the act or state as an objective fact
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incumbent
1. the official who holds an office
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invitationalMore Definitions →
invariant
1. a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it
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increment
1. a process of becoming larger or longer or more numerous or more important
2. the amount by which something increases
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immunization
1. the act of making immune (especially by inoculation)
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implant
1. a prosthesis placed permanently in tissue
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inception
1. an event that is a beginning; a first part or stage of subsequent events
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impedance
1. a material's opposition to the flow of electric current; measured in ohms
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imaginary
1. (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1
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initialization
1. (computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting position
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illumination
1. a condition of spiritual awareness; divine illumination
2. the degree of visibility of your environment
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immortal
1. a person (such as an author) of enduring fame
2. any supernatural being worshipped as controlling some part of the world or some aspect of life or who is the personification of a force
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inpatient
1. a patient who is residing in the hospital where he is being treated
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impress
1. the act of coercing someone into government service
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insomnia
1. an inability to sleep; chronic sleeplessness
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infertility
1. the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate
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irony
1. witty language used to convey insults or scorn
2. incongruity between what might be expected and what actually occurs
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innings
1. the batting turn of a cricket player or team
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installment
1. a payment of part of a debt; usually paid at regular intervals
2. a part of a broadcast serial
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infusion
1. a solution obtained by steeping or soaking a substance (usually in water)
2. the process of extracting certain active properties (as a drug from a plant) by steeping or soaking (usually in water)
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iteration
1. (computer science) a single execution of a set of instructions that are to be repeated
2. (computer science) executing the same set of instructions a given number of times or until a specified result is obtained
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ibis
1. wading birds of warm regions having long slender down-curved bills
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inning
1. (baseball) one of nine divisions of play during which each team has a turn at bat
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initializeMore Definitions →
informing
1. to furnish incriminating evidence to an officer of the law (usually in return for favors)
2. a speech act that conveys information
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incompatibleMore Definitions →
inmate
1. one of several resident of a dwelling (especially someone confined to a prison or hospital)
2. a patient who is residing in the hospital where he is being treated
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indictment
1. a formal document written for a prosecuting attorney charging a person with some offense
2. an accusation of wrongdoing
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interconnection
1. a state of being connected reciprocally
2. (computer science) the act of interconnecting (wires or computers or theories etc.)
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interruption
1. an act of delaying or interrupting the continuity
2. some abrupt occurrence that interrupts an ongoing activity
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inaugural
1. an address delivered at an inaugural ceremony (especially by a United States president)
2. the ceremonial induction into a position
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injustice
1. an unjust act
2. the practice of being unjust or unfair
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ironing
1. garments (clothes or linens) that are to be (or have been) ironed
2. the work of using heat to smooth washed clothes in order to remove any wrinkles
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importer
1. someone whose business involves importing goods from outside (especially from a foreign country)
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imitation
1. the doctrine that representations of nature or human behavior should be accurate imitations
2. something copied or derived from an original
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insult
1. a rude expression intended to offend or hurt
2. a deliberately offensive act or something producing the effect of deliberate disrespect
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instinct
1. inborn pattern of behavior often responsive to specific stimuli
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implication
1. something that is inferred (deduced or entailed or implied)
2. a meaning that is not expressly stated but can be inferred
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insanity
1. relatively permanent disorder of the mind
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indulgence
1. an inability to resist the gratification of whims and desires
2. a disposition to yield to the wishes of someone
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irritation
1. the psychological state of being irritated or annoyed
2. a sudden outburst of anger
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immersion
1. sinking until covered completely with water
2. (astronomy) the disappearance of a celestial body prior to an eclipse
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inverter
1. an electrical converter that converts direct current into alternating current
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inhalation
1. the act of inhaling; the drawing in of air (or other gases) as in breathing
2. a medication to be taken by inhaling it
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indispensableMore Definitions →
ionicMore Definitions →
interconnectMore Definitions →
ire
1. a strong emotion; a feeling that is oriented toward some real or supposed grievance
2. belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)
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intuition
1. instinctive knowing (without the use of rational processes)
2. an impression that something might be the case
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intangible
1. assets that are saleable though not material or physical
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intellect
1. knowledge and intellectual ability
2. the capacity for rational thought or inference or discrimination
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impotence
1. the quality of lacking strength or power; being weak and feeble
2. an inability (usually of the male animal) to copulate
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indemnity
1. protection against future loss
2. legal exemption from liability for damages
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injunction
1. a formal command or admonition
2. (law) a judicial remedy issued in order to prohibit a party from doing or continuing to do a certain activity
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interveneMore Definitions →
intercept
1. the point at which a line intersects a coordinate axis
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inwardMore Definitions →
inferno
1. any place of pain and turmoil
2. a very intense and uncontrolled fire
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imposition
1. the act of imposing something (as a tax or an embargo)
2. an uncalled-for burden
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intimacy
1. close or warm friendship
2. a usually secretive or illicit sexual relationship
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indent
1. an order for goods to be exported or imported
2. the space left between the margin and the start of an indented line
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incapableMore Definitions →
inversion
1. the layer of air near the earth is cooler than an overlying layer
2. abnormal condition in which an organ is turned inward or inside out (as when the upper part of the uterus is pulled into the cervical canal after childbirth)
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incubation
1. maintaining something at the most favorable temperature for its development
2. (pathology) the phase in the development of an infection between the time a pathogen enters the body and the time the first symptoms appear
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inscription
1. letters inscribed (especially words engraved or carved) on something
2. a short message (as in a book or musical work or on a photograph) dedicating it to someone or something
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inefficientMore Definitions →
ism
1. a belief (or system of beliefs) accepted as authoritative by some group or school
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integrator
1. a measuring instrument for measuring the area of an irregular plane figure
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imperfect
1. a tense of verbs used in describing action that is on-going
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invocation
1. a prayer asking God's help as part of a religious service
2. an incantation used in conjuring or summoning a devil
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imperialism
1. a policy of extending your rule over foreign countries
2. a political orientation that advocates imperial interests
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irradiation
1. the condition of being exposed to radiation
2. a column of light (as from a beacon)
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incontinence
1. involuntary urination or defecation
2. indiscipline with regard to sensuous pleasures
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imbalance
1. a lack of balance or state of disequilibrium
2. lack of proportion; imbalance among the parts of something
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intermediary
1. a negotiator who acts as a link between parties
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infarction
1. localized necrosis resulting from obstruction of the blood supply
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interpolation
1. a message (spoken or written) that is introduced or inserted
2. (mathematics) calculation of the value of a function between the values already known
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interviewer
1. a person who conducts an interview
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iodine
1. a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
2. a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
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immunodeficiency
1. immunological disorder in which some part of the body's immune system is inadequate and resistance to infectious diseases is reduced
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intolerance
1. impatience with annoyances
2. unwillingness to recognize and respect differences in opinions or beliefs
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indefiniteMore Definitions →
irrational
1. a real number that cannot be expressed as a rational number
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interferon
1. an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus
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infiltration
1. a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)
2. the slow passage of a liquid through a filtering medium
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insignia
1. a badge worn to show official position
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impeachment
1. a formal document charging a public official with misconduct in office
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intestine
1. the part of the alimentary canal between the stomach and the anus
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immatureMore Definitions →
icing
1. the formation of frost or ice on a surface
2. a flavored sugar topping used to coat and decorate cakes
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ineligibleMore Definitions →
insolvency
1. the lack of financial resources
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intruder
1. someone who intrudes on the privacy or property of another without permission
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interrogation
1. a sentence of inquiry that asks for a reply
2. a transmission that will trigger an answering transmission from a transponder
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inertia
1. a disposition to remain inactive or inert
2. (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force
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iterative
1. the aspect of the verb that expresses the repetition of an action
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intrigue
1. a crafty and involved plot to achieve your (usually sinister) ends
2. a clandestine love affair
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insecurity
1. the state of being subject to danger or injury
2. the anxiety you experience when you feel vulnerable and insecure
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inquirer
1. someone who asks a question
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immunoglobulin
1. a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
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iceberg
1. a large mass of ice floating at sea; usually broken off of a polar glacier
2. lettuce with crisp tightly packed light-green leaves in a firm head
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importation
1. the commercial activity of buying and bringing in goods from a foreign country
2. commodities (goods or services) bought from a foreign country
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inducing
1. act of bringing about a desired result
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itching
1. an irritating cutaneous sensation that produces a desire to scratch
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inclination
1. an attitude of mind especially one that favors one alternative over others
2. (astronomy) the angle between the plane of the orbit and the plane of the ecliptic stated in degrees
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ingestion
1. the process of taking food into the body through the mouth (as by eating)
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isotope
1. one of two or more atoms with the same atomic number but with different numbers of neutrons
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infancy
1. the early stage of growth or development
2. the earliest state of immaturity
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incubator
1. apparatus consisting of a box designed to maintain a constant temperature by the use of a thermostat; used for chicks or premature infants
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inset
1. a small picture inserted within the bounds or a larger one
2. an artifact that is inserted or is to be inserted
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indifferentMore Definitions →
irresponsibleMore Definitions →
intimidation
1. the act of intimidating a weaker person to make them do something
2. the feeling of discouragement in the face of someone's superior fame or wealth or status etc.
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indemnifyMore Definitions →
influx
1. the process of flowing in
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interleukin
1. any of several lymphokines that promote macrophages and killer T cells and B cells and other components of the immune system
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interception
1. the act of intercepting; preventing something from proceeding or arriving
2. (American football) the act of catching a football by a player on the opposing team
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imam
1. (Islam) the man who leads prayers in a mosque; for Shiites an imam is a recognized authority on Islamic theology and law and a spiritual guide
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indebtedness
1. an obligation to pay money to another party
2. a personal relation in which one is indebted for a service or favor
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insurgency
1. an organized rebellion aimed at overthrowing a constituted government through the use of subversion and armed conflict
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incompetent
1. someone who is not competent to take effective action
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intercom
1. a communication system linking different rooms within a building or ship etc
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indifference
1. unbiased impartial unconcern
2. apathy demonstrated by an absence of emotional reactions
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incarnation
1. a new personification of a familiar idea
2. time passed in a particular bodily form
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interplay
1. reciprocal action and reaction
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impala
1. African antelope with ridged curved horns; moves with enormous leaps
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inconsistency
1. the relation between propositions that cannot both be true at the same time
2. the quality of being inconsistent and lacking a harmonious uniformity among things or parts
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intrusiveMore Definitions →
inauguration
1. the act of starting a new operation or practice
2. the ceremonial induction into a position
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initiator
1. a person who initiates a course of action
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impetus
1. a force that moves something along
2. the act of applying force suddenly
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inbredMore Definitions →
itch
1. a contagious skin infection caused by the itch mite; characterized by persistent itching and skin irritation
2. a strong restless desire
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ionization
1. the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge)
2. the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
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injector
1. a contrivance for injecting (e.g., water into the boiler of a steam engine or particles into an accelerator etc.)
2. An injector, ejector, steam ejector, steam injector, eductor-jet pump or thermocompressor is a type of pump.
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individuality
1. the quality of being individual
2. the distinct personality of an individual regarded as a persisting entity
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inlay
1. (dentistry) a filling consisting of a solid substance (as gold or porcelain) fitted to a cavity in a tooth and cemented into place
2. a decoration made by fitting pieces of wood into prepared slots in a surface
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improvisation
1. a creation spoken or written or composed extemporaneously (without prior preparation)
2. an unplanned expedient
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inflow
1. the process of flowing in
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immortality
1. the quality or state of being immortal
2. perpetual life after death
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inertMore Definitions →
internationalization
1. the act of bringing something under international control
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insisting
1. continual and persistent demands
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implantation
1. (embryology) the organic process whereby a fertilized egg becomes implanted in the lining of the uterus of placental mammals
2. the act of planting or setting in the ground
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ironman
1. a strong man of exceptional physical endurance
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incline
1. an elevated geological formation
2. an inclined surface connecting two levels
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innovator
1. someone who helps to open up a new line of research or technology or art
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intron
1. sequence of a eukaryotic gene's DNA that is not translated into a protein
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illuminateMore Definitions →
incarceration
1. the state of being imprisoned
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incompleteness
1. the state of being crude and incomplete and imperfect
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ingenuity
1. the power of creative imagination
2. the property of being ingenious
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ischemia
1. local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism
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inactivity
1. the state of being inactive
2. a disposition to remain inactive or inert
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insecticide
1. a chemical used to kill insects
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incompetence
1. lack of physical or intellectual ability or qualifications
2. inability of a part or organ to function properly
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interlude
1. an intervening period or episode
2. a brief show (music or dance etc) inserted between the sections of a longer performance
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iridium
1. a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
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indemnification
1. a sum of money paid in compensation for loss or injury
2. an act of compensation for actual loss or damage or for trouble and annoyance
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informant
1. a person who supplies information
2. someone who sees an event and reports what happened
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interceptor
1. a fast maneuverable fighter plane designed to intercept enemy aircraft
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invader
1. someone who enters by force in order to conquer
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interlock
1. a device that prevents an automotive engine from starting
2. the act of interlocking or meshing
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ibuprofen
1. a nonsteroidal anti-inflammatory and analgesic medicine (trade names Advil and Motrin and Nuprin) used to relieve the pain of arthritis and as an antipyretic
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insistence
1. continual and persistent demands
2. the state of demanding notice or attention
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imputation
1. a statement attributing something dishonest (especially a criminal offense)
2. the attribution to a source or cause
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incandescentMore Definitions →
intersectMore Definitions →
intensifyMore Definitions →
incapacity
1. lack of intellectual power
2. lack of physical or natural qualifications
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insufficiency
1. a lack of competence
2. (pathology) inability of a bodily part or organ to function normally
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interstitialMore Definitions →
incision
1. a depression scratched or carved into a surface
2. the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)
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invertMore Definitions →
illiterate
1. a person unable to read
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inactivation
1. the process of rendering inactive
2. breaking up a military unit (by transfers or discharges)
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invertebrate
1. any animal lacking a backbone or notochord; the term is not used as a scientific classification
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impunity
1. exemption from punishment or loss
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infernal
1. an inhabitant of Hell
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inquiring
1. a request for information
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interdependence
1. a reciprocal relation between interdependent entities (objects or individuals or groups)
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intoxication
1. the physiological state produced by a poison or other toxic substance
2. a temporary state resulting from excessive consumption of alcohol
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interment
1. the ritual placing of a corpse in a grave
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infestation
1. the state of being invaded or overrun by parasites
2. a swarm of insects that attack plants
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interlocking
1. contact by fitting together
2. the act of interlocking or meshing
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invalidateMore Definitions →
iguana
1. large herbivorous tropical American arboreal lizards with a spiny crest along the back; used as human food in Central America and South America
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incompatibility
1. the relation between propositions that cannot both be true at the same time
2. (immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue)
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intermission
1. the act of suspending activity temporarily
2. a time interval during which there is a temporary cessation of something
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indentation
1. a concave cut into a surface or edge (as in a coastline)
2. the formation of small pits in a surface as a consequence of corrosion
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illegitimate
1. the illegitimate offspring of unmarried parents
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iota
1. a tiny or scarcely detectable amount
2. the 9th letter of the Greek alphabet
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imperialist
1. a believer in imperialism
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ingress
1. (astronomy) the disappearance of a celestial body prior to an eclipse
2. the act of entering
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incineration
1. the act of burning something completely; reducing it to ashes
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insulator
1. a material such as glass or porcelain with negligible electrical or thermal conductivity
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indigentMore Definitions →
infirmary
1. a health facility where patients receive treatment
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inquisition
1. a severe interrogation (often violating the rights or privacy of individuals)
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impossibility
1. incapability of existing or occurring
2. an alternative that is not available
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idealism
1. (philosophy) the philosophical theory that ideas are the only reality
2. impracticality by virtue of thinking of things in their ideal form rather than as they really are
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inaction
1. the state of being inactive
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incurring
1. acquiring or coming into something (usually undesirable)
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isomorphism
1. (biology) similarity or identity of form or shape or structure
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industrialization
1. the development of industry on an extensive scale
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indignation
1. a feeling of righteous anger
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indenture
1. a concave cut into a surface or edge (as in a coastline)
2. formal agreement between the issuer of bonds and the bondholders as to terms of the debt
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intolerantMore Definitions →
insurgent
1. a person who takes part in an armed rebellion against the constituted authority (especially in the hope of improving conditions)
2. a member of an irregular armed force that fights a stronger force by sabotage and harassment
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impressionist
1. an artist who follows the theories of Impressionism
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inositol
1. an optically inactive alcohol that is a component of the vitamin B complex
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inspectorate
1. a body of inspectors
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idiom
1. a manner of speaking that is natural to native speakers of a language
2. the usage or vocabulary that is characteristic of a specific group of people
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impromptu
1. an extemporaneous speech or remark
2. a short musical passage that seems to have been made spontaneously without advance preparation
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inhaler
1. a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion
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infidelity
1. the quality of being unfaithful
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ideograph
1. a graphic character that indicates the meaning of a thing without indicating the sounds used to say it
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infidel
1. a person who does not acknowledge your god
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intimidateMore Definitions →
insolubleMore Definitions →
informer
1. one who reveals confidential information to the police or other authority
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individualism
1. the quality of being individual
2. a belief in the importance of the individual and the virtue of self-reliance and personal independence
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inefficiency
1. unskillfulness resulting from a lack of efficiency
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impediment
1. something immaterial that interferes with or delays action or progress
2. any structure that makes progress difficult
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impurity
1. worthless or dangerous material that should be removed
2. the condition of being impure
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illiteracy
1. ignorance resulting from not reading
2. an inability to read
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insole
1. the inner sole of a shoe or boot where the foot rests
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injectableMore Definitions →
immunohistochemistry
1. an assay that shows specific antigens in tissues by the use of markers that are either fluorescent dyes or enzymes (such as horseradish peroxidase)
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invariance
1. the quality of being resistant to variation
2. the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it
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instalment
1. a part of a broadcast serial
2. a part of a published serial
More Definitions →
interlinkMore Definitions →
irritability
1. an irritable petulant feeling
2. excessive sensitivity of an organ or body part
More Definitions →
intifada
1. an uprising by Palestinian Arabs (in both the Gaza Strip and the West Bank) against Israel in the late 1980s and again in 2000
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infraction
1. a crime less serious than a felony
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islet
1. a small island
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immunisation
1. the act of making immune (especially by inoculation)
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incarnateMore Definitions →
insurrection
1. organized opposition to authority; a conflict in which one faction tries to wrest control from another
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iniquity
1. morally objectionable behavior
2. an unjust act
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inseparableMore Definitions →
incinerator
1. a furnace for incinerating (especially to dispose of refuse)
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ides
1. in the Roman calendar: the 15th of March or May or July or October or the 13th of any other month
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introspection
1. the contemplation of your own thoughts and desires and conduct
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impasse
1. a situation in which no progress can be made or no advancement is possible
2. a street with only one way in or out
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immaterialMore Definitions →
impartiality
1. an inclination to weigh both views or opinions equally
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impersonalMore Definitions →
insolvent
1. someone who has insufficient assets to cover their debts
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infield
1. the area of a baseball field that is enclosed by 3 bases and home plate
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iodide
1. a salt or ester of hydriodic acid
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instantiation
1. a representation of an idea in the form of an instance of it
More Definitions →
inoculation
1. taking a vaccine as a precaution against contracting a disease
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insularMore Definitions →
infiltrateMore Definitions →
inaccuracy
1. the quality of being inaccurate and having errors
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inquest
1. an inquiry into the cause of an unexpected death
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indexer
1. someone who provides an index
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innkeeper
1. the owner or manager of an inn
More Definitions →
intonation
1. rise and fall of the voice pitch
2. singing by a soloist of the opening piece of plainsong
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inductance
1. an electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current
2. an electrical device (typically a conducting coil) that introduces inductance into a circuit
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ilk
1. a kind of person
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inadequacy
1. lack of an adequate quantity or number
2. a lack of competence
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ikon
1. a visual representation (of an object or scene or person or abstraction) produced on a surface
2. a conventional religious painting in oil on a small wooden panel; venerated in the Eastern Church
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indigestion
1. a disorder of digestive function characterized by discomfort or heartburn or nausea
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intermediation
1. the act of intervening for the purpose of bringing about a settlement
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impatience
1. a lack of patience; irritation with anything that causes delay
2. a restless desire for change and excitement
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isometric
1. a line connecting isometric points
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innermostMore Definitions →
irritant
1. something that causes irritation and annoyance
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inconceivableMore Definitions →
intensification
1. action that makes something stronger or more extreme
2. the act of increasing the contrast of (a photographic film)
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internment
1. confinement during wartime
2. the act of confining someone in a prison (or as if in a prison)
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igloo
1. an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome
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incognitoMore Definitions →
inductor
1. an electrical device (typically a conducting coil) that introduces inductance into a circuit
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infallibleMore Definitions →
instantiateMore Definitions →
immunotherapy
1. therapy designed to produce immunity to a disease or to enhance resistance by the immune system
More Definitions →
instep
1. the arch of the foot
2. the part of a shoe or stocking that covers the arch of the foot
More Definitions →
insemination
1. the act of sowing (of seeds in the ground or, figuratively, of germs in the body or ideas in the mind, etc.)
2. the introduction of semen into the genital tract of a female
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isomerase
1. an enzyme that catalyzes its substrate to an isomeric form
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ilia
1. the upper and widest of the three bones making up the hipbone
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immediacy
1. lack of an intervening or mediating agency
2. immediate intuitive awareness
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itinerant
1. a laborer who moves from place to place as demanded by employment
More Definitions →
idolatry
1. the worship of idols; the worship of physical objects or images as gods
More Definitions →
iceman
1. someone who cuts and delivers ice
2. a professional killer
More Definitions →
idler
1. person who does no work
More Definitions →
imprinting
1. a learning process in early life whereby species specific patterns of behavior are established
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idiocy
1. extreme mental retardation
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ischia
1. one of the three sections of the hipbone; situated below the ilium
More Definitions →
invalidity
1. illogicality as a consequence of having a conclusion that does not follow from the premisses
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interferometer
1. any measuring instrument that uses interference patterns to make accurate measurements of waves
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immovable
1. property consisting of houses and land
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innervation
1. the neural or electrical arousal of an organ or muscle or gland
2. the distribution of nerve fibers to an organ or body region
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idling
1. having no employment
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immunosuppressive
1. a drug that lowers the body's normal immune response
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imperium
1. the domain ruled by an emperor or empress; the region over which imperial dominion is exercised
2. supreme authority; absolute dominion
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ironwood
1. handsome East Indian evergreen tree often planted as an ornamental for its fragrant white flowers that yield a perfume; source of very heavy hardwood used for railroad ties
2. exceptionally tough or hard wood of any of a number of ironwood trees
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indulging
1. the act of indulging or gratifying a desire
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insides
1. internal organs collectively (especially those in the abdominal cavity)
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intercession
1. a prayer to God on behalf of another person
2. the act of intervening (as to mediate a dispute, etc.)
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ibex
1. wild goat of mountain areas of Eurasia and northern Africa having large recurved horns
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ionosphere
1. the outer region of the Earth's atmosphere; contains a high concentration of free electrons
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impoundment
1. placing private property in the custody of an officer of the law
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interviewee
1. a person who is interviewed
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incurable
1. a person whose disease is incurable
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impotentMore Definitions →
invisibility
1. the quality of not being perceivable by the eye
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inaneMore Definitions →
irregularity
1. behavior that breaches the rule or etiquette or custom or morality
2. not characterized by a fixed principle or rate; at irregular intervals
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instrumentality
1. a subsidiary organ of government created for a special purpose
2. the quality of being instrumental for some purpose
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insomniac
1. someone who cannot sleep
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impeller
1. the blade of a rotor (as in the compressor of a jet engine)
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isthmus
1. a relatively narrow strip of land (with water on both sides) connecting two larger land areas
2. a cord-like tissue connecting two larger parts of an anatomical structure
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immorality
1. the quality of not being in accord with standards of right or good conduct
2. morally objectionable behavior
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immobilization
1. fixation (as by a plaster cast) of a body part in order to promote proper healing
2. the act of limiting movement or making incapable of movement
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interne
1. an advanced student or graduate in medicine gaining supervised practical experience
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inferiority
1. the state of being inferior
2. an inferior quality
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imago
1. (psychoanalysis) an idealized image of someone (usually a parent) formed in childhood
2. an adult insect produced after metamorphosis
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impersonation
1. a representation of a person that is exaggerated for comic effect
2. pretending to be another person
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inboardMore Definitions →
inhabitant
1. a person who inhabits a particular place
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intubation
1. the insertion of a cannula or tube into a hollow body organ
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inducement
1. a positive motivational influence
2. act of bringing about a desired result
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icebreaker
1. a ship with a reinforced bow to break up ice and keep channels open for navigation
2. a beginning that relaxes a tense or formal atmosphere
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inflection
1. a change in the form of a word (usually by adding a suffix) to indicate a change in its grammatical function
2. the patterns of stress and intonation in a language
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immunofluorescence
1. (immunology) a technique that uses antibodies linked to a fluorescent dye in order to study antigens in a sample of tissue
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imagines
1. (psychoanalysis) an idealized image of someone (usually a parent) formed in childhood
2. an adult insect produced after metamorphosis
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incendiary
1. a criminal who illegally sets fire to property
2. a bomb that is designed to start fires; is most effective against flammable targets (such as fuel)
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indomethacin
1. a nonsteroidal anti-inflammatory drug (trade name Indocin)
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innuendo
1. an indirect (and usually malicious) implication
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interdiction
1. authoritative prohibition
2. a court order prohibiting a party from doing a certain activity
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implosion
1. a sudden inward collapse
2. the initial occluded phase of a stop consonant
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immunoassay
1. identification of a substance (especially a protein) by its action as an antigen
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idealist
1. someone guided more by ideals than by practical considerations
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iconography
1. the images and symbolic representations that are traditionally associated with a person or a subject
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indium
1. a rare soft silvery metallic element; occurs in small quantities in sphalerite
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incitement
1. an act of urging on or spurring on or rousing to action or instigating
2. needed encouragement
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improviseMore Definitions →
imperfection
1. the state or an instance of being imperfect
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indecency
1. the quality of being indecent
2. an indecent or improper act
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inequity
1. injustice by virtue of not conforming with rules or standards
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infatuation
1. a foolish and usually extravagant passion or love or admiration
2. temporary love of an adolescent
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indecision
1. doubt concerning two or more possible alternatives or courses of action
2. the trait of irresolution; a lack of firmness of character or purpose
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implicateMore Definitions →
infamy
1. a state of extreme dishonor
2. evil fame or public reputation
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insensitivity
1. the inability to respond to affective changes in your interpersonal environment
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inevitability
1. the quality of being unavoidable
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indoctrination
1. teaching someone to accept doctrines uncritically
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infinitesimal
1. (mathematics) a variable that has zero as its limit
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impersonateMore Definitions →
infomercial
1. a television commercial presented in the form of a short documentary
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indescribableMore Definitions →
initialisation
1. (computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting position
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interrogateMore Definitions →
inquisitor
1. a questioner who is excessively harsh
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indivisibleMore Definitions →
incursion
1. the act of entering some territory or domain (often in large numbers)
2. an attack that penetrates into enemy territory
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isomer
1. a compound that exists in forms having different arrangements of atoms but the same molecular weight
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indexation
1. a system of economic regulation: wages and interest are tied to the cost-of-living index in order to reduce the effects of inflation
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imparting
1. the transmission of information
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ingot
1. metal that is cast in the shape of a block for convenient handling
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icicle
1. ice resembling a pendent spear, formed by the freezing of dripping water
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inbreeding
1. the act of mating closely related individuals
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inti
1. the basic unit of money in Peru
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isothermalMore Definitions →
infotainment
1. a film or TV program presenting the facts about a person or event
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inessential
1. anything that is not essential
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inexperience
1. lack of experience and the knowledge and understanding derived from experience
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inundation
1. the rising of a body of water and its overflowing onto normally dry land
2. an overwhelming number or amount
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internalization
1. learning (of values or attitudes etc.) that is incorporated within yourself
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impersonator
1. someone who (fraudulently) assumes the appearance of another
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interpolateMore Definitions →
interrelationship
1. mutual or reciprocal relation or relatedness
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inflorescence
1. the time and process of budding and unfolding of blossoms
2. the flowering part of a plant or arrangement of flowers on a stalk
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illegality
1. unlawfulness by virtue of violating some legal statute
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immunosuppression
1. lowering the body's normal immune response to invasion by foreign substances; can be deliberate (as in lowering the immune response to prevent rejection of a transplanted organ) or incidental (as a side effect of radiotherapy or chemotherapy for cancer)
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infarct
1. localized necrosis resulting from obstruction of the blood supply
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impropriety
1. an improper demeanor
2. the condition of being improper
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ironclad
1. a wooden warship of the 19th century that is plated with iron or steel armor
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internationalist
1. an advocate of internationalism
2. a member of a socialist or communist international
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idleness
1. having no employment
2. the quality of lacking substance or value
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irreconcilableMore Definitions →
isoniazid
1. antibacterial drug (trade name Nydrazid) used to treat tuberculosis
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initialiseMore Definitions →
infinitive
1. the uninflected form of the verb
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incantation
1. a ritual recitation of words or sounds believed to have a magical effect
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irrelevance
1. the lack of a relation of something to the matter at hand
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instrumentalist
1. someone who plays a music as a profession
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internationalism
1. the doctrine that nations should cooperate because their common interests are more important than their differences
2. quality of being international in scope
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intelligentsia
1. an educated and intellectual elite
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immunogen
1. any substance or organism that provokes an immune response (produces immunity) when introduced into the body
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interrogator
1. a questioner who is excessively harsh
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imposter
1. a person who makes deceitful pretenses
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insolence
1. the trait of being rude and impertinent; inclined to take liberties
2. an offensive disrespectful impudent act
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inoculum
1. a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease
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inkling
1. a slight suggestion or vague understanding
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invalidation
1. (law) a formal termination (of a relationship or a judicial proceeding etc)
2. when a person's thoughts and feelings are rejected, ignored, or judged.
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insolentMore Definitions →
instilling
1. teaching or impressing upon the mind by frequent instruction or repetition
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indwellingMore Definitions →
imipramine
1. a tricyclic antidepressant (trade names Imavate and Tofranil) used to treat clinical depression
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ileum
1. the part of the small intestine between the jejunum and the cecum
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ineligibility
1. the quality or state of being ineligible
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infliction
1. the act of imposing something (as a tax or an embargo)
2. an act causing pain or damage
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intervenor
1. (law) a party who interposes in a pending proceeding
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indole
1. a white or yellowish crystalline heterocyclic compound extracted from coal tar and used in perfumery, medicine, and as a flavouring agent.
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industrialist
1. someone who manages or has significant financial interest in an industrial enterprise
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infirmity
1. the state of being weak in health or body (especially from old age)
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izzard
1. the 26th letter of the Roman alphabet
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immaturity
1. not having reached maturity
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isoleucine
1. an essential amino acid found in proteins; isomeric with leucine
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influentMore Definitions →
infighting
1. conflict between members of the same organization (usually concealed from outsiders)
2. boxing at close quarters
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intermezzo
1. a short movement coming between the major sections of a symphony
2. a short piece of instrumental music composed for performance between acts of a drama or opera
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icebox
1. white goods in which food can be stored at low temperatures
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inhumanity
1. the quality of lacking compassion or consideration for others
2. an act of atrocious cruelty
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infielder
1. (baseball) a person who plays a position in the infield
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interlaceMore Definitions →
infix
1. an affix that is inserted inside the word
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intersex
1. one having both male and female sexual characteristics and organs; at birth an unambiguous assignment of male or female cannot be made
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intelligibility
1. the quality of language that is comprehensible
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internalizeMore Definitions →
inattention
1. lack of attention
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irresponsibility
1. a form of untrustworthiness; the trait of lacking a sense of responsibility and not feeling accountable for your actions
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ironwork
1. work made of iron (gratings or rails or railings etc)
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inkwell
1. a small well holding writing ink into which a pen can be dipped
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ineffectiveness
1. lacking the power to be effective
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instigateMore Definitions →
intestateMore Definitions →
involution
1. reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth)
2. a long and intricate and complicated grammatical construction
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individualist
1. a person who pursues independent thought or action
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imperia
1. the domain ruled by an emperor or empress; the region over which imperial dominion is exercised
2. supreme authority; absolute dominion
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ipecac
1. a medicinal drug used to evoke vomiting (especially in cases of drug overdose or poisoning)
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infanticide
1. a person who murders an infant
2. murdering an infant
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ideation
1. the process of forming and relating ideas
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impostor
1. a person who makes deceitful pretenses
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immigrateMore Definitions →
ineptitude
1. unskillfulness resulting from a lack of training
2. having no qualities that would render it valuable or useful
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invigorateMore Definitions →
indeterminacy
1. the quality of being vague and poorly defined
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irrationality
1. the state of being irrational; lacking powers of understanding
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impingement
1. influencing strongly
2. a sharp collision produced by striking or dashing against something
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instigator
1. someone who deliberately foments trouble
2. a person who initiates a course of action
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inventiveness
1. the power of creative imagination
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internode
1. a segment of a stem between two nodes
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intentionality
1. expressive of intentions
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interrogative
1. a sentence of inquiry that asks for a reply
2. some linguists consider interrogative sentences to constitute a mood
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infallibility
1. the quality of never making an error
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internist
1. a specialist in internal medicine
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insignificance
1. the quality of having little or no significance
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inducer
1. an agent capable of activating specific genes
2. someone who tries to persuade or induce or lead on
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isoproterenol
1. drug (trade name Isuprel) used to treat bronchial asthma and to stimulate the heart
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ironside
1. a man of great strength or bravery
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indirection
1. indirect procedure or action
2. deceitful action that is not straightforward
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innards
1. internal organs collectively (especially those in the abdominal cavity)
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infiltrator
1. someone who takes up a position surreptitiously for the purpose of espionage
2. an intruder (as troops) with hostile intent
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inaugurateMore Definitions →
immunogenicity
1. the property of eliciting an immune response
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incrimination
1. an accusation that you are responsible for some lapse or misdeed
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intimation
1. an indirect suggestion
2. a slight suggestion or vague understanding
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interleaveMore Definitions →
instar
1. an insect or other arthropod between molts
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interjection
1. an abrupt emphatic exclamation expressing emotion
2. the action of interjecting or interposing an action or remark that interrupts
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immunochemistry
1. the field of chemistry concerned with chemical processes in immunology (such as chemical studies of antigens and antibodies)
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intercedeMore Definitions →
impregnation
1. material with which something is impregnated
2. the process of totally saturating something with a substance
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immolation
1. killing or offering as a sacrifice
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iconoclast
1. a destroyer of images used in religious worship
2. someone who attacks cherished ideas or traditional institutions
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interconnectedness
1. a state of being connected reciprocally
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ironworks
1. the workplace where iron is smelted or where iron goods are made
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impoverishment
1. the state of having little or no money and few or no material possessions
2. the act of making someone poor
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icehouse
1. a house for storing ice
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intaglio
1. a printing process that uses an etched or engraved plate; the plate is smeared with ink and wiped clean, then the ink left in the recesses makes the print
2. glyptic art consisting of a sunken or depressed engraving or carving on a stone or gem (as opposed to cameo)
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intensifier
1. a modifier that has little meaning except to intensify the meaning it modifies
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intima
1. the innermost membrane of an organ (especially the inner lining of an artery or vein or lymphatic vessel)
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inactivateMore Definitions →
indinavir
1. a protease inhibitor (trade name Crixivan) used for treating HIV
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inflator
1. an air pump operated by hand to inflate something (as a tire)
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ionisation
1. the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge)
2. the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
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intransitive
1. a verb (or verb construction) that does not take an object
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invincibility
1. the property being difficult or impossible to defeat
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illusionist
1. a person with unusual powers of foresight
2. someone who performs magic tricks to amuse an audience
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informality
1. a manner that does not take forms and ceremonies seriously
2. freedom from constraint or embarrassment
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instigation
1. the verbal act of urging on
2. deliberate and intentional triggering (of trouble or discord)
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introvert
1. (psychology) a person who tends to shrink from social contacts and to become preoccupied with their own thoughts
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immobility
1. remaining in place
2. the quality of not moving
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imidazole
1. an organic base C3H4N2; a histamine inhibitor
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idyll
1. an episode of such pastoral or romantic charm as to qualify as the subject of a poetic idyll
2. a musical composition that evokes rural life
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invective
1. abusive or venomous language used to express blame or censure or bitter deep-seated ill will
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isotherm
1. (meteorology) an isogram connecting points having the same temperature at a given time
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ignitor
1. a substance used to ignite or kindle a fire
2. a device for lighting or igniting fuel or charges or fires
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igniter
1. a substance used to ignite or kindle a fire
2. a device for lighting or igniting fuel or charges or fires
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infantryman
1. fights on foot with small arms
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intermarriage
1. marriage to a person belonging to a tribe or group other than your own as required by custom or law
2. marriage within one's own tribe or group as required by custom or law
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iglu
1. an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome
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insubordination
1. defiance of authority
2. an insubordinate act
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ischaemia
1. local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism
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immensity
1. unusual largeness in size or extent or number
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indiscretion
1. the trait of being injudicious
2. a petty misdeed
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incoherence
1. lack of cohesion or clarity or organization
2. nonsense that is simply incoherent and unintelligible
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isolationism
1. a policy of nonparticipation in international economic and political relations
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isolationist
1. an advocate of isolationism in international affairs
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indignity
1. an affront to one's dignity or self-esteem
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iambic
1. a verse line consisting of iambs
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imprimatur
1. formal and explicit approval
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idempotentMore Definitions →
influencer
1. a person who has a large following on one or more social media platform that works to generate interest in contemporary social issues and/or advertise consumer products
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interrogatory
1. formal systematic questioning
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interweaveMore Definitions →
interlocutor
1. the performer in the middle of a minstrel line who engages the others in talk
2. a person who takes part in a conversation
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inflexibility
1. a lack of physical flexibility
2. the quality of being rigid and rigorously severe
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investiture
1. the ceremony of installing a new monarch
2. the ceremonial act of clothing someone in the insignia of an office; the formal promotion of a person to an office or rank
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invariable
1. a quantity that does not vary
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imprecision
1. the quality of lacking precision
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impotency
1. the quality of lacking strength or power; being weak and feeble
2. an inability (usually of the male animal) to copulate
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inarticulateMore Definitions →
imbroglio
1. an intricate and confusing interpersonal or political situation
2. a very embarrassing misunderstanding
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imbecile
1. a person of subnormal intelligence
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incumbency
1. the term during which some position is held
2. a duty that is incumbent upon you
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inculcateMore Definitions →
impetigo
1. a very contagious infection of the skin; common in children; localized redness develops into small blisters that gradually crust and erode
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inductee
1. a person inducted into an organization or social group
2. someone who is drafted into military service
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inhalant
1. something that is inhaled
2. a medication to be taken by inhaling it
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