10-Letter Words Starting With CO

Here's the list of all the 1306 10-Letter Words Starting With CO 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 Words (with Definitions and Examples)
conditions
1. the prevailing context that influences the performance or the outcome of a process
2. the set of circumstances that affect someone's welfare
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collection
1. several things grouped together or considered as a whole
2. a publication containing a variety of works
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conference
1. a prearranged meeting for consultation or exchange of information or discussion (especially one with a formal agenda)
2. an association of sports teams that organizes matches for its members
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commercial
1. connected with or engaged in or sponsored by or used in commerce or commercial enterprises
2. of or relating to commercialism
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commission
1. a special group delegated to consider some matter
2. a fee for services rendered based on a percentage of an amount received or collected or agreed to be paid (as distinguished from a salary)
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connection
1. a relation between things or events (as in the case of one causing the other or sharing features with it)
2. the state of being connected
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considered
1. carefully weighed
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compliance
1. acting according to certain accepted standards
2. a disposition or tendency to yield to the will of others
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comparison
1. the act of examining resemblances
2. relation based on similarities and differences
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completely
1. to a complete degree or to the full or entire extent; Completely or entirely
2. so as to be complete; with everything necessary
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compatible
1. capable of forming a homogeneous mixture that neither separates nor is altered by chemical interaction
2. able to exist and perform in harmonious or agreeable combination
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convention
1. a large formal assembly
2. something regarded as a normative example
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conversion
1. an event that results in a transformation
2. a change in the units or form of an expression:
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continuing
1. remaining in force or being carried on without letup
2. persisting for a long time
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controlled
1. exercise authoritative control or power over
2. lessen the intensity of; temper; hold in restraint; hold or keep within limits
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commitment
1. the trait of sincere and steadfast fixity of purpose
2. the act of binding yourself (intellectually or emotionally) to a course of action
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confidence
1. freedom from doubt; belief in yourself and your abilities
2. a feeling of trust (in someone or something)
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consistent
1. the same throughout in structure or composition
2. (sometimes followed by `with') in agreement or consistent or reliable
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contribute
1. bestow a quality on
2. contribute to some cause
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continuous
1. continuing in time or space without interruption
2. of a function or curve; extending without break or irregularity
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contractor
1. someone (a person or firm) who contracts to build things
2. the bridge player in contract bridge who wins the bidding and can declare which suit is to be trumps
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completion
1. (American football) a successful forward pass in football
2. a concluding action
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consultant
1. an expert who gives advice
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controller
1. someone who maintains and audits business accounts
2. a person who directs and restrains
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conclusion
1. a position or opinion or judgment reached after consideration
2. an intuitive assumption
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commentary
1. a written explanation or criticism or illustration that is added to a book or other textual material
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counseling
1. something that provides direction or advice as to a decision or course of action
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correction
1. the act of offering an improvement to replace a mistake; setting right
2. a quantity that is added or subtracted in order to increase the accuracy of a scientific measure
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convenient
1. suited to your comfort or purpose or needs
2. large and roomy (`convenient' is archaic in this sense)
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collective
1. members of a cooperative enterprise
2. done by or characteristic of individuals acting together
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complexity
1. the quality of being intricate and compounded
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constantly
1. without variation or change, in every case
2. invariably
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constitute
1. form or compose
2. create and charge with a task or function
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collecting
1. the act of gathering something together
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compressed
1. pressed tightly together
2. reduced in volume by pressure
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corruption
1. lack of integrity or honesty (especially susceptibility to bribery); use of a position of trust for dishonest gain
2. in a state of progressive putrefaction
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coordinate
1. bring order and organization to
2. bring into common action, movement, or condition
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configured
1. organized so as to give configuration to
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conducting
1. the way of administering a business
2. the direction of an orchestra or choir
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completing
1. acting as or providing a complement (something that completes the whole)
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comparable
1. able to be compared or worthy of comparison
2. conforming in every respect
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consortium
1. an association of companies for some definite purpose
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conspiracy
1. a secret agreement between two or more people to perform an unlawful act
2. a plot to carry out some harmful or illegal act (especially a political plot)
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complement
1. a word or phrase used to complete a grammatical construction
2. a complete number or quantity
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continuity
1. uninterrupted connection or union
2. a detailed script used in making a film in order to avoid discontinuities from shot to shot
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conviction
1. an unshakable belief in something without need for proof or evidence
2. (criminal law) a final judgment of guilty in a criminal case and the punishment that is imposed
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compromise
1. a middle way between two extremes
2. an accommodation in which both sides make concessions
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conceptual
1. being or characterized by concepts or their formation
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constraint
1. the state of being physically constrained
2. a device that retards something's motion
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compelling
1. force somebody to do something
2. necessitate or exact
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competence
1. the quality of being adequately or well qualified physically and intellectually
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concurrent
1. occurring or operating at the same time
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compulsory
1. required by rule
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congestion
1. excessive accumulation of blood or other fluid in a body part
2. excessive crowding
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collateral
1. a security pledged for the repayment of a loan
2. descended from a common ancestor but through different lines
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correspond
1. be compatible, similar or consistent; coincide in their characteristics
2. be equivalent or parallel, in mathematics
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combustion
1. a process in which a substance reacts with oxygen to give heat and light
2. a state of violent disturbance and excitement
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conception
1. an abstract or general idea inferred or derived from specific instances
2. the act of becoming pregnant; fertilization of an ovum by a spermatozoon
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conscience
1. motivation deriving logically from ethical or moral principles that govern a person's thoughts and actions
2. conformity to one's own sense of right conduct
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councillor
1. a member of a council
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compassion
1. a deep awareness of and sympathy for another's suffering
2. the humane quality of understanding the suffering of others and wanting to do something about it
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contracted
1. reduced in size or pulled together
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collegiate
1. of or resembling or typical of a college or college students
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competitor
1. the contestant you hope to defeat
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compressor
1. a mechanical device that compresses gasses
2. an electronic device that reduces the dynamic range of an audio signal.
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corrective
1. designed to promote discipline
2. tending or intended to correct or counteract or restore to a normal condition
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competency
1. the quality of being adequately or well qualified physically and intellectually
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contingent
1. a gathering of persons representative of some larger group
2. a temporary military unit
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correlated
1. mutually related
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convincing
1. causing one to believe the truth of something
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conformity
1. correspondence in form or appearance
2. acting according to certain accepted standards
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contiguous
1. very close or connected in space or time
2. connecting without a break; within a common boundary
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coursework
1. work assigned to and done by a student during a course of study; usually it is evaluated as part of the student's grade in the course
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compensate
1. adjust for
2. make amends for; pay compensation for
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courthouse
1. a government building that houses the offices of a county government
2. a building that houses judicial courts
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concession
1. a contract granting the right to operate a subsidiary business
2. the act of conceding or yielding
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confirming
1. indicating existence or presence of a suspected condition or pathogen
2. serving to support or corroborate
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confession
1. an admission of misdeeds or faults
2. a written document acknowledging an offense and signed by the guilty party
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committing
1. perform an act, usually with a negative connotation
2. make a set of changes permanent
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compliment
1. a remark (or act) expressing praise and admiration
2. say something to someone that expresses praise
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contention
1. a point asserted as part of an argument
2. a contentious speech act; a dispute where there is strong disagreement
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concluding
1. occurring at or forming an end or termination
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conforming
1. adhering to established customs or doctrines (especially in religion)
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congenital
1. present at birth but not necessarily hereditary; acquired during fetal development
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convection
1. the transfer of heat through a fluid (liquid or gas) caused by molecular motion
2. (meteorology) the vertical movement of heat or other properties by massive motion within the atmosphere
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commanding
1. used of a height or viewpoint
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conversely
1. with the terms of the relation reversed
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contextual
1. relating to or determined by or in context
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colorectal
1. relating to or affecting the colon and the rectum
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comprehend
1. get the meaning of something
2. to become aware of through the senses
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compendium
1. a publication containing a variety of works
2. a concise but comprehensive summary of a larger work
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confluence
1. a place where things merge or flow together (especially rivers)
2. a flowing together
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compulsive
1. a person with a compulsive disposition; someone who feels compelled to do certain things
2. caused by or suggestive of psychological compulsion
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colloquium
1. an academic meeting or seminar usually led by a different lecturer and on a different topic at each meeting
2. an address to an academic meeting or seminar
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conjecture
1. a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)
2. a message expressing an opinion based on incomplete evidence
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courageous
1. possessing or displaying courage; able to face and deal with danger or fear without flinching
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corrugated
1. shaped into alternating parallel grooves and ridges
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conveyance
1. document effecting a property transfer
2. the transmission of information
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conductive
1. having the quality or power of conducting heat or electricity or sound; exhibiting conductivity
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councilman
1. a man who is a council member
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cottonwood
1. any of several North American trees of the genus Populus having a tuft of cottony hairs on the seed
2. American basswood of the Allegheny region
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compounded
1. combined into or constituting a chemical compound
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conduction
1. the transmission of heat or electricity or sound
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coronation
1. the ceremony of installing a new monarch
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contagious
1. easily diffused or spread as from one person to another
2. (of disease) capable of being transmitted by infection
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consumable
1. may be used up
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comforting
1. providing freedom from worry
2. affording comfort or solace
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conclusive
1. forming an end or termination; especially putting an end to doubt or question
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covariance
1. (statistics) the mean value of the product of the deviations of two variates from their respective means
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consequent
1. occurring with or following as a consequence
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counsellor
1. someone who has supervisory duties at a summer camp
2. someone who gives advice about problems
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contradict
1. be in contradiction with
2. deny the truth of
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connective
1. an uninflected function word that serves to conjoin words or phrases or clauses or sentences
2. an instrumentality that connects
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complexion
1. the coloring of a person's face
2. a combination that results from coupling or interlinking
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conjugated
1. formed by the union of two compounds
2. joined together especially in a pair or pairs
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countertop
1. the top side of a counter
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contestant
1. a person who participates in competitions
2. a person who dissents from some established policy
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congestive
1. relating to or affected by an abnormal collection of blood or other fluid
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convergent
1. tending to come together from different directions
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compaction
1. an increase in the density of something
2. the act of crushing
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conquering
1. the act of conquering
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condensate
1. a product of condensation
2. atmospheric moisture that has condensed because of cold
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complicate
1. make more complicated
2. make more complex, intricate, or richer
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concurring
1. be in accord; be in agreement
2. happen simultaneously
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condemning
1. containing or imposing condemnation or censure
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converging
1. the act of converging (coming closer)
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counteract
1. act in opposition to
2. oppose or check by a counteraction
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condensing
1. the act of increasing the density of something
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concentric
1. having a common center
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compulsion
1. an urge to do or say something that might be better left undone or unsaid
2. an irrational motive for performing trivial or repetitive actions, even against your will
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consensual
1. existing by consent
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copywriter
1. a person employed to write advertising or publicity copy
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consenting
1. having given consent
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convoluted
1. rolled longitudinally upon itself
2. highly complex or intricate and occasionally devious
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contraband
1. distributed or sold illicitly
2. goods whose importation or exportation or possession is prohibited by law
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commandant
1. an officer in command of a military unit
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communique
1. an official report (usually sent in haste)
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conferring
1. have a conference in order to talk something over
2. present
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complicity
1. guilt as an accomplice in a crime or offense
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concealing
1. the activity of keeping something secret
2. covering or hiding
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consummate
1. having or revealing supreme mastery or skill
2. perfect and complete in every respect; having all necessary qualities
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complacent
1. contented to a fault with oneself or one's actions
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congregate
1. come together, usually for a purpose
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cocksucker
1. a person who performs fellatio
2. insulting terms of address for people who are stupid or irritating or ridiculous
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coincident
1. occurring or operating at the same time
2. matching point for point
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cornucopia
1. a goat's horn filled with grain and flowers and fruit symbolizing prosperity
2. the property of being extremely abundant
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concussion
1. injury to the brain caused by a blow; usually resulting in loss of consciousness
2. any violent blow
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congruence
1. the quality of agreeing; being suitable and appropriate
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confounded
1. perplexed by many conflicting situations or statements; filled with bewilderment
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cornstarch
1. starch prepared from the grains of corn; used in cooking as a thickener
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coloration
1. the timbre of a musical sound
2. appearance with regard to color
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computable
1. may be computed or estimated
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commissary
1. a retail store that sells equipment and provisions (usually to military personnel)
2. a snack bar in a film studio
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countryman
1. a man from your own country
2. a man who lives in the country and has country ways
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colloquial
1. characteristic of informal spoken language or conversation
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coniferous
1. of or relating to or part of trees or shrubs bearing cones and evergreen leaves
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continence
1. the exercise of self constraint in sexual matters
2. voluntary control over urinary and fecal discharge
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corrupting
1. seducing into corrupt practices
2. harmful to the mind or morals
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cornerback
1. a defensive football player stationed outside the linebackers
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coastguard
1. a military service responsible for the safety of maritime traffic in coastal waters
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contrarian
1. an investor who deliberately decides to go against the prevailing wisdom of other investors
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conversant
1. (usually followed by `with') well informed about or knowing thoroughly
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coinciding
1. occurring or operating at the same time
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condolence
1. an expression of sympathy with another's grief
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concoction
1. any foodstuff made by combining different ingredients
2. an occurrence of an unusual mixture
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colchicine
1. an analgesic drug derived from the saffron plant and used to treat gout
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contravene
1. go against, as of rules and laws
2. deny the truth of
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confiscate
1. take temporary possession of as a security, by legal authority
2. surrendered as a penalty
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concertina
1. collapse like a concertina
2. coiled barbed wire used as an obstacle
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cornflower
1. plant of southern and southeastern United States grown for its yellow flowers that can be dried
2. an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
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concretely
1. in concrete terms
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coherently
1. in a coherent manner
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cottonseed
1. seed of cotton plants; source of cottonseed oil
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collimator
1. a small telescope attached to a large telescope to use in setting the line of the larger one
2. optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
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coexisting
1. existing at the same time
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copperhead
1. common coppery brown pit viper of upland eastern United States
2. venomous but sluggish reddish-brown snake of Australia
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colourless
1. lacking in variety and interest
2. weak in color; not colorful
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cognizance
1. having knowledge of
2. range of what one can know or understand
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compositor
1. one who sets written material into type
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cottontail
1. common small rabbit of North America having greyish or brownish fur and a tail with a white underside; a host for Ixodes pacificus and Ixodes scapularis (Lyme disease ticks)
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conformist
1. someone who conforms to established standards of conduct (especially in religious matters)
2. adhering to established customs or doctrines (especially in religion)
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comparably
1. in a comparable manner or to a comparable degree
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confection
1. a food rich in sugar
2. the act of creating something (a medicine or drink or soup etc.) by compounding or mixing a variety of components
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copulation
1. sexual activity between individuals, especially the insertion of a man's penis into a woman's vagina until orgasm and ejaculation occur
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counterspy
1. a spy who works against enemy espionage
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combatting
1. battle or contend against in or as if in a battle
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convulsive
1. affected by involuntary jerky muscular contractions; resembling a spasm
2. resembling a convulsion in being sudden and violent
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commutator
1. switch for reversing the direction of an electric current
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coalescing
1. growing together, fusing
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contrition
1. sorrow for sin arising from fear of damnation
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consecrate
1. appoint to a clerical posts
2. give entirely to a specific person, activity, or cause
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compatriot
1. a person from your own country
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concordant
1. in keeping
2. being of the same opinion
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10-Letter Words Starting With CO