| atoll | (noun) an island consisting of a circular coral reef surrounding a lagoon | - |
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| ayatollah | (noun) a high-ranking Shiite religious leader who is regarded as an authority on religious law and its interpretation and who has political power as well | - |
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| bankroll | (noun) a roll of currency notes (often taken as the resources of a person or business etc.) | Synonyms: roll |
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| barcarolle | (noun) a boating song sung by Venetian gondoliers | Synonyms: barcarole |
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| bedroll | (noun) bedding rolled up for carrying | - |
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| blackpoll | (noun) North American warbler having a black-and-white head | Synonyms: Dendroica striate |
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| blolly | (noun) evergreen climbing shrub of southern Florida and West Indies grown for its racemes of fragrant white to creamy flowers followed by globose white succulent berries | Synonyms: Chiococca alba, West Indian snowberry |
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| boll | (noun) the rounded seed-bearing capsule of a cotton or flax plant | - |
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| bollard | (noun) a strong post (as on a wharf or quay or ship for attaching mooring lines) | Synonyms: bitt |
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| bollock | (noun) a pulley-block at the head of a topmast | Synonyms: bullock block |
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| (noun) one of the two male reproductive glands that produce spermatozoa and secrete androgens | Synonyms: ball, ballock, egg, nut, orchis, testicle, testis |
| bollworm | (noun) any of various moth caterpillars that destroy cotton bolls | - |
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| brolly | (noun) colloquial terms for an umbrella | Synonyms: gamp |
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| caroller | (noun) a singer of carols | Synonyms: caroler |
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| cherimolla | (noun) large tropical fruit with leathery skin and soft pulp; related to custard apples | Synonyms: cherimoya |
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| cholla | (noun) arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico | Synonyms: Opuntia cholla |
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| collaboration | (noun) act of working jointly | Synonyms: coaction |
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| (noun) act of cooperating traitorously with an enemy that is occupying your country | Synonyms: collaborationism, quislingism |
| collaborationism | (noun) act of cooperating traitorously with an enemy that is occupying your country | Synonyms: collaboration, quislingism |
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| collaborationist | (noun) someone who collaborates with an enemy occupying force | Synonyms: collaborator, quisling |
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| collaborator | (noun) an associate in an activity or endeavor or sphere of common interest | Synonyms: cooperator, pardner, partner |
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| (noun) someone who collaborates with an enemy occupying force | Synonyms: collaborationist, quisling |
| (noun) someone who assists in a plot | Synonyms: confederate, henchman, partner in crime |
| collage | (noun) a paste-up made by sticking together pieces of paper or photographs to form an artistic image | Synonyms: montage |
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| (noun) any collection of diverse things | - |
| collagen | (noun) a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling | - |
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| collagenase | (noun) any enzyme that catalyzes the hydrolysis of collagen and gelatin | - |
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| collapse | (noun) the act of throwing yourself down; collapse; sink | Synonyms: flop |
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| (noun) a natural event caused by something suddenly falling down or caving in | - |
| (noun) a sudden large decline of business or the prices of stocks (especially one that causes additional failures) | Synonyms: crash |
| (noun) an abrupt failure of function or complete physical exhaustion | Synonyms: prostration |
| collar | (noun) the act of apprehending (especially apprehending a criminal) | Synonyms: apprehension, arrest, catch, pinch, taking into custody |
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| (noun) a figurative restraint | Synonyms: leash |
| (noun) a band that fits around the neck and is usually folded over | Synonyms: neckband |
| (noun) necklace that fits tightly around a woman's neck | Synonyms: choker, dog collar, neckband |
| (noun) a band of leather or rope that is placed around an animal's neck as a harness or to identify it | - |
| (noun) the stitching that forms the rim of a shoe or boot | Synonyms: shoe collar |
| (noun) a short ring fastened over a rod or shaft to limit, guide, or secure a machine part | - |
| (noun) anything worn or placed about the neck | - |
| (noun) (zoology) an encircling band or marking around the neck of any animal | - |
| collarbone | (noun) bone linking the scapula and sternum | Synonyms: clavicle |
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| collard | (noun) variety of kale having smooth leaves | - |
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| collards | (noun) kale that has smooth leaves | Synonyms: collard greens |
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| collateral | (noun) a security pledged for the repayment of a loan | - |
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| collation | (noun) careful examination and comparison to note points of disagreement | - |
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| (noun) assembling in proper numerical or logical sequence | - |
| (noun) a light informal meal | Synonyms: bite, snack |
| collator | (noun) a machine that selects, merges and matches decks of punch cards. | - |
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| colleague | (noun) an associate that one works with | Synonyms: co-worker, fellow worker, workfellow |
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| (noun) a person who is member of one's class or profession | Synonyms: confrere, fellow |
| collect | (noun) a short prayer generally preceding the lesson in the Church of Rome or the Church of England | - |
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| collectable | (noun) things considered to be worth collecting (not necessarily valuable or antique) | Synonyms: collectible |
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| collectibility | (noun) The quality of being subject to payment or likely to be paid. | - |
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| collectible | (noun) things considered to be worth collecting (not necessarily valuable or antique) | Synonyms: collectable |
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| collecting | (noun) the act of gathering something together | Synonyms: aggregation, assembling, collection |
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| collection | (noun) the act of gathering something together | Synonyms: aggregation, assembling, collecting |
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| (noun) a publication containing a variety of works | Synonyms: compendium |
| (noun) request for a sum of money | Synonyms: appeal, ingathering, solicitation |
| (noun) several things grouped together or considered as a whole | Synonyms: accumulation, aggregation, assemblage |
| collective | (noun) members of a cooperative enterprise | - |
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| collectivisation | (noun) the organization of a nation or economy on the basis of collectivism | Synonyms: collectivization |
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| collectivism | (noun) a political theory that the people should own the means of production | - |
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| (noun) Soviet communism | Synonyms: Bolshevism, sovietism |
| collectivist | (noun) a person who belongs to the political left | Synonyms: left-winger, leftist |
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| collectivization | (noun) the organization of a nation or economy on the basis of collectivism | Synonyms: collectivisation |
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| collector | (noun) the electrode in a transistor through which a primary flow of carriers leaves the region between the electrodes | - |
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| (noun) a crater that has collected cosmic material hitting the earth | - |
| (noun) a person who is employed to collect payments (as for rent or taxes) | Synonyms: accumulator, gatherer |
| (noun) a person who collects things | Synonyms: aggregator |
| colleen | (noun) an Irish girl | - |
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| college | (noun) a complex of buildings in which an institution of higher education is housed | - |
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| (noun) the body of faculty and students of a college | - |
| (noun) an institution of higher education created to educate and grant degrees; often a part of a university | - |
| collegian | (noun) a student (or former student) at a college or university | Synonyms: college boy, college man |
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| collembolan | (noun) any of numerous minute wingless primitive insects possessing a special abdominal appendage that allows the characteristic nearly perpetual springing pattern; found in soil rich in organic debris or on the surface of snow or water | Synonyms: springtail |
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| collet | (noun) a band or collar that holds an individual stone in a jewelry setting | - |
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| (noun) a metal cap or band placed on a wooden pole to prevent splitting | Synonyms: ferrule |
| (noun) a cone-shaped chuck used for holding cylindrical pieces in a lathe | Synonyms: collet chuck |
| collider | (noun) an accelerator in which two beams of particles are forced to collide head on | - |
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| collie | (noun) a silky-coated sheepdog with a long ruff and long narrow head developed in Scotland | - |
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| collier | (noun) someone who works in a coal mine | Synonyms: coal miner, pitman |
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| colliery | (noun) a workplace consisting of a coal mine plus all the buildings and equipment connected with it | Synonyms: pit |
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| colligation | (noun) the connection of isolated facts by a general hypothesis | - |
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| (noun) the state of being joined together | Synonyms: conjugation, conjunction, junction |
| collimation | (noun) the accurate adjustment of the line of sight of a telescope | - |
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| collimator | (noun) 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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| (noun) a small telescope attached to a large telescope to use in setting the line of the larger one | - |
| collins | (noun) tall iced drink of liquor (usually gin) with fruit juice | Synonyms: Tom Collins |
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| collision | (noun) a conflict of opposed ideas or attitudes or goals | - |
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| (noun) an accident resulting from violent impact of a moving object | - |
| (noun) (physics) a brief event in which two or more bodies come together | Synonyms: hit |
| collocation | (noun) the act of positioning close together (or side by side) | Synonyms: apposition, juxtaposition |
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| (noun) a grouping of words in a sentence | - |
| collodion | (noun) a colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films | - |
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| colloid | (noun) a mixture with properties between those of a solution and fine suspension | - |
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| colloquialism | (noun) a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech | - |
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| colloquium | (noun) an address to an academic meeting or seminar | - |
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| (noun) an academic meeting or seminar usually led by a different lecturer and on a different topic at each meeting | - |
| colloquy | (noun) formal conversation | - |
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| (noun) a conversation especially a formal one | - |
| collotype | (noun) a photomechanical printing process that uses a glass plate with a gelatin surface that carries the image to be reproduced; can be used with one or more colors | Synonyms: collotype printing, photogelatin process |
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| collusion | (noun) secret agreement | - |
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| (noun) agreement on a secret plot | Synonyms: connivance |
| collyrium | (noun) lotion consisting of a solution used as a cleanser for the eyes | Synonyms: eye-lotion, eyewash |
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| collywobbles | (noun) severe gastroenteritis of unknown etiology; characterized by severe colic and vomiting and diarrhea | Synonyms: cholera morbus |
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| comptroller | (noun) someone who maintains and audits business accounts | Synonyms: accountant, controller |
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| comptrollership | (noun) the position of comptroller | - |
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| controller | (noun) a mechanism that controls the operation of a machine | Synonyms: control |
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| (noun) someone who maintains and audits business accounts | Synonyms: accountant, comptroller |
| (noun) a person who directs and restrains | Synonyms: restrainer |
| controllership | (noun) the position of controller | - |
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| corolla | (noun) (botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth | - |
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| corollary | (noun) (logic) an inference that follows directly from the proof of another proposition | - |
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| (noun) a practical consequence that follows naturally | - |
| criollo | (noun) cocoa of superior quality | - |
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| (noun) a Spanish American of pure European stock (usually Spanish) | - |
| decolletage | (noun) a low-cut neckline on a woman's dress | - |
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| doll | (noun) a small replica of a person; used as a toy | Synonyms: dolly |
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| (noun) informal terms for a (young) woman | Synonyms: bird, chick, dame, skirt, wench |
| dollar | (noun) a symbol of commercialism or greed | Synonyms: dollar mark, dollar sign |
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| (noun) a piece of paper money worth one dollar | Synonyms: buck, clam, dollar bill, one dollar bill |
| (noun) a United States coin worth one dollar | - |
| (noun) the basic monetary unit in many countries; equal to 100 cents | - |
| dollarfish | (noun) small food fish of Atlantic coast | Synonyms: Poronotus triacanthus |
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| (noun) any of several silvery marine fishes with very flat bodies | Synonyms: Atlantic moonfish, horse-head, horsefish, horsehead, moonfish, Selene setapinnis |
| dollhouse | (noun) a small model of a house used as a toy by children | Synonyms: doll's house |
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| (noun) a house so small that it is likened to a child's plaything | Synonyms: doll's house |
| dollop | (noun) a small measure (usually of food) | - |
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| dolly | (noun) a small replica of a person; used as a toy | Synonyms: doll |
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| (noun) conveyance consisting of a wheeled platform for moving heavy objects | - |
| (noun) conveyance consisting of a wheeled support on which a camera can be mounted | - |
| drollery | (noun) a quaint and amusing jest | Synonyms: waggery |
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| (noun) a comic incident or series of incidents | Synonyms: clowning, comedy, funniness |
| emollient | (noun) toiletry consisting of any of various substances in the form of a thick liquid that have a soothing and moisturizing effect when applied to the skin | Synonyms: cream, ointment |
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| enrollee | (noun) a person who enrolls in (or is enrolled in) a class or course of study | - |
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| enrollment | (noun) the act of enrolling | Synonyms: enrolment, registration |
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| (noun) the body of people (such as students) who register or enroll at the same time | Synonyms: registration |
| extoller | (noun) someone who communicates high praise | Synonyms: laudator, lauder |
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| follicle | (noun) any small spherical group of cells containing a cavity | - |
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| folliculitis | (noun) inflammation of a hair follicle | - |
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| follies | (noun) a revue with elaborate costuming | - |
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| follower | (noun) a person who accepts the leadership of another | - |
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| (noun) someone who travels behind or pursues another | - |
| followers | (noun) a group of followers or enthusiasts | Synonyms: following |
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| following | (noun) the act of pursuing in an effort to overtake or capture | Synonyms: chase, pursual, pursuit |
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| (noun) a group of followers or enthusiasts | Synonyms: followers |
| followup | (noun) a subsequent examination of a patient for the purpose of monitoring earlier treatment | Synonyms: follow-up, reexamination, review |
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| (noun) an activity that continues something that has already begun or that repeats something that has already been done | Synonyms: follow-up |
| (noun) a piece of work that exploits or builds on earlier work | Synonyms: follow-up |
| folly | (noun) foolish or senseless behavior | Synonyms: craziness, foolery, indulgence, lunacy, tomfoolery |
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| (noun) a stupid mistake | Synonyms: betise, foolishness, imbecility, stupidity |
| (noun) the trait of acting stupidly or rashly | Synonyms: foolishness, unwiseness |
| (noun) the quality of being rash and foolish | Synonyms: craziness, foolishness, madness |
| golliwog | (noun) a grotesque black doll | Synonyms: golliwogg |
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| golliwogg | (noun) a grotesque black doll | Synonyms: golliwog |
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| holla | (noun) a very loud utterance (like the sound of an animal) | Synonyms: bellow, bellowing, holler, hollering, hollo, holloa, roar, roaring, yowl |
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| hollandaise | (noun) eggs and butter with lemon juice | - |
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| holler | (noun) a very loud utterance (like the sound of an animal) | Synonyms: bellow, bellowing, holla, hollering, hollo, holloa, roar, roaring, yowl |
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| (noun) a small valley between mountains | Synonyms: hollow |
| hollering | (noun) a very loud utterance (like the sound of an animal) | Synonyms: bellow, bellowing, holla, holler, hollo, holloa, roar, roaring, yowl |
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