9-Letter Nouns Starting With IN

Here's the list of all the 394 9-Letter Nouns Starting With IN 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)
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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institute
1. an association organized to promote art or science or education
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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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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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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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inventory
1. a detailed list of all the items in stock
2. the merchandise that a shop has on hand
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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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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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integrity
1. an undivided or unbroken completeness or totality with nothing wanting
2. moral soundness
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introduceMore Definitions →
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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intensive
1. a modifier that has little meaning except to intensify the meaning it modifies
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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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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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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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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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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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inspector
1. a high ranking police officer
2. an investigator who observes carefully
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integrateMore Definitions →
invisibleMore Definitions →
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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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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interpretMore Definitions →
interrupt
1. a signal that temporarily stops the execution of a program so that another procedure can be carried out
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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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influenza
1. an acute febrile highly contagious viral disease
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interfereMore Definitions →
intrusion
1. any entry into an area not previously occupied
2. entrance by force or without permission or welcome
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inhibitor
1. a substance that retards or stops an activity
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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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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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incumbent
1. the official who holds an office
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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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inception
1. an event that is a beginning; a first part or stage of subsequent events
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inpatient
1. a patient who is residing in the hospital where he is being treated
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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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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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intuition
1. instinctive knowing (without the use of rational processes)
2. an impression that something might be the case
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intellect
1. knowledge and intellectual ability
2. the capacity for rational thought or inference or discrimination
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indemnity
1. protection against future loss
2. legal exemption from liability for damages
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interveneMore Definitions →
intercept
1. the point at which a line intersects a coordinate axis
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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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intestine
1. the part of the alimentary canal between the stomach and the anus
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ingestion
1. the process of taking food into the body through the mouth (as by eating)
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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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indemnifyMore Definitions →
interplay
1. reciprocal action and reaction
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intrusiveMore Definitions →
initiator
1. a person who initiates a course of action
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insisting
1. continual and persistent demands
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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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ingenuity
1. the power of creative imagination
2. the property of being ingenious
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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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informant
1. a person who supplies information
2. someone who sees an event and reports what happened
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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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intersectMore Definitions →
intensifyMore Definitions →
inquiring
1. a request for information
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interment
1. the ritual placing of a corpse in a grave
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insulator
1. a material such as glass or porcelain with negligible electrical or thermal conductivity
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infirmary
1. a health facility where patients receive treatment
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incurring
1. acquiring or coming into something (usually undesirable)
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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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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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insolubleMore Definitions →
interlinkMore Definitions →
incarnateMore Definitions →
insolvent
1. someone who has insufficient assets to cover their debts
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innkeeper
1. the owner or manager of an inn
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innermostMore Definitions →
incognitoMore Definitions →
indulging
1. the act of indulging or gratifying a desire
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incurable
1. a person whose disease is incurable
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insomniac
1. someone who cannot sleep
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indecency
1. the quality of being indecent
2. an indecent or improper act
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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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insolence
1. the trait of being rude and impertinent; inclined to take liberties
2. an offensive disrespectful impudent act
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infirmity
1. the state of being weak in health or body (especially from old age)
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infielder
1. (baseball) a person who plays a position in the infield
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interlaceMore Definitions →
instigateMore Definitions →
intestateMore Definitions →
internode
1. a segment of a stem between two nodes
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internist
1. a specialist in internal medicine
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intercedeMore Definitions →
indinavir
1. a protease inhibitor (trade name Crixivan) used for treating HIV
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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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invective
1. abusive or venomous language used to express blame or censure or bitter deep-seated ill will
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indignity
1. an affront to one's dignity or self-esteem
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inculcateMore Definitions →

9-Letter Nouns Starting With IN