| circumnavigate | (verb) travel around, either by plane or ship | Synonyms: compass |
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| circumnavigation | (noun) traveling around something (by ship or plane) | - |
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| circumpolar | (adjective) located or found throughout a polar region | - |
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| (adjective) (of a celestial body) continually visible above the horizon during the entire 360 degrees of daily travel | - |
| circumscribe | (verb) restrict or confine within limits | Synonyms: confine to, limit |
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| (verb) draw a line around | - |
| (verb) to draw a geometric figure around another figure so that the two are in contact but do not intersect | - |
| circumscribed | (adjective) subject to limits or subjected to limits | Synonyms: limited |
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| circumscription | (noun) the act of circumscribing | - |
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| circumspect | (adjective) heedful of potential consequences | Synonyms: discreet |
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| circumspection | (noun) the trait of being circumspect and prudent | Synonyms: caution |
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| (noun) knowing how to avoid embarrassment or distress | Synonyms: discreetness, discretion, prudence |
| circumspectly | (adverb) in a cagey manner | Synonyms: cagily |
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| circumstance | (noun) information that should be kept in mind when making a decision | Synonyms: condition, consideration |
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| (noun) formal ceremony about important occasions | - |
| (noun) a condition that accompanies or influences some event or activity | - |
| (noun) the set of facts or circumstances that surround a situation or event | Synonyms: context, setting |
| circumstances | (noun) a person's financial situation (good or bad) | - |
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| (noun) your overall circumstances or condition in life (including everything that happens to you) | Synonyms: destiny, fate, fortune, lot, luck, portion |
| circumstantial | (adjective) fully detailed and specific about particulars | - |
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| circumstantially | (adverb) insofar as the circumstances are concerned | - |
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| (adverb) without advance planning | Synonyms: accidentally, by chance, unexpectedly |
| (adverb) in minute detail | Synonyms: minutely |
| (adverb) according to circumstances | - |
| circumstantiate | (verb) give circumstantial evidence for | - |
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| circumvallate | (verb) surround with or as if with a rampart or other fortification | - |
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| circumvent | (verb) avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues) | Synonyms: dodge, duck, elude, evade, fudge, hedge, parry, put off, sidestep, skirt |
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| (verb) beat through cleverness and wit | Synonyms: beat, outfox, outsmart, outwit, overreach |
| (verb) surround so as to force to give up | Synonyms: beleaguer, besiege, hem in, surround |
| circumvention | (noun) the act of evading by going around | - |
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| circumvolute | (verb) wind or turn in volutions, especially in an inward spiral, as of snail | - |
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| circumvolution | (noun) the act of turning or winding or folding around a central axis | - |
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| circumvolve | (verb) cause to turn on an axis or center | Synonyms: rotate |
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| cirrocumulus | (noun) a cloud at a high altitude consisting of a series of regularly arranged small clouds resembling ripples | Synonyms: cirrocumulus cloud |
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| claustrum | (noun) a layer of grey matter in the brain adjacent to the lenticular nucleus | - |
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| cleistothecium | (noun) closed spore-bearing structure of some fungi (especially Aspergillaceae and Erysiphaceae) from which spores are released only by decay or disintegration | Synonyms: cleistocarp |
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| clostridium | (noun) spindle-shaped bacterial cell especially one swollen at the center by an endospore | Synonyms: clostridia |
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| clumber | (noun) a thickset spaniel with longish silky hair | Synonyms: clumber spaniel |
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| clump | (noun) a heavy dull sound (as made by impact of heavy objects) | Synonyms: clunk, thud, thump, thumping |
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| (noun) a grouping of a number of similar things | Synonyms: bunch, cluster, clustering |
| (noun) a compact mass | Synonyms: ball, chunk, clod, glob, lump |
| (verb) gather or cause to gather into a cluster | Synonyms: bunch, bundle, cluster |
| (verb) walk clumsily | Synonyms: clomp |
| (verb) come together as in a cluster or flock | Synonyms: cluster, constellate, flock |
| (verb) make or move along with a sound as of a horse's hooves striking the ground | Synonyms: clop, clunk, plunk |
| clumping | (noun) the sound of a horse's hoofs hitting on a hard surface | Synonyms: clip-clop, clippety-clop, clop, clopping, clunking |
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| clumsily | (adverb) in a clumsy manner | - |
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| clumsiness | (noun) the carriage of someone whose movements and posture are ungainly or inelegant | Synonyms: awkwardness |
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| (noun) the inelegance of someone stiff and unrelaxed (as by embarrassment) | Synonyms: awkwardness, gracelessness, stiffness |
| (noun) unskillfulness resulting from a lack of training | Synonyms: awkwardness, ineptitude, ineptness, maladroitness, slowness |
| clumsy | (adjective) lacking grace in movement or posture | Synonyms: clunky, gawky, ungainly, unwieldy |
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| (adjective) not elegant or graceful in expression | Synonyms: awkward, cumbersome, ill-chosen, inapt, inept |
| (adjective) showing lack of skill or aptitude | Synonyms: bungling, fumbling, incompetent |
| (adjective) difficult to handle or manage especially because of shape | Synonyms: awkward, bunglesome, ungainly |
| coagulum | (noun) a lump of material formed from the content of a liquid | Synonyms: clot |
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| coccidium | (noun) parasitic on the digestive epithelium of vertebrates and higher invertebrates | Synonyms: eimeria |
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| coliseum | (noun) an oval large stadium with tiers of seats; an arena in which contests and spectacles are held | Synonyms: amphitheater, amphitheatre |
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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 | - |
| collyrium | (noun) lotion consisting of a solution used as a cleanser for the eyes | Synonyms: eye-lotion, eyewash |
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| colostrum | (noun) milky fluid secreted for the first day or two after parturition | Synonyms: foremilk |
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| columbarium | (noun) a sepulchral vault or other structure having recesses in the walls to receive cinerary urns | - |
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| (noun) a niche for a funeral urn containing the ashes of the cremated dead | Synonyms: cinerarium |
| (noun) a birdhouse for pigeons | Synonyms: columbary, dovecote |
| columbary | (noun) a birdhouse for pigeons | Synonyms: columbarium, dovecote |
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| columbine | (noun) a plant of the genus Aquilegia having irregular showy spurred flowers; north temperate regions especially mountains | Synonyms: aquilege, aquilegia |
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| columbite | (noun) a black mineral that is an ore of niobium and tantalum | Synonyms: niobite |
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| columbium | (noun) a former name for niobium | - |
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| columbo | (noun) any of various tall perennial herbs constituting the genus Frasera; widely distributed in warm dry upland areas of California, Oregon, and Washington | Synonyms: American columbo, American gentian, deer's-ear, deer's-ears, pyramid plant |
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| columella | (noun) a small column (or structure resembling a column) that is a part of a plant or animal | - |
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| column | (noun) (architecture) a tall vertical cylindrical structure standing upright and used to support a structure | Synonyms: pillar |
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| (noun) a vertical cylindrical structure standing alone and not supporting anything (such as a monument) | Synonyms: pillar |
| (noun) a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands | Synonyms: chromatography column |
| (noun) any tubular or pillar-like supporting structure in the body | - |
| (noun) an article giving opinions or perspectives | Synonyms: editorial, newspaper column |
| (noun) a page or text that is vertically divided | - |
| (noun) a line of units following one after another | - |
| (noun) a vertical array of numbers or other information | - |
| (noun) anything that approximates the shape of a column or tower | Synonyms: pillar, tower |
| columnar | (adjective) characterized by columns | - |
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| (adjective) having the form of a column | Synonyms: columniform, columnlike |
| columnea | (noun) tropical plant having thick hairy somewhat toothed leaves and solitary or clustered yellow to scarlet flowers; many cultivated for their flowers and ornamental foliage | - |
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| columned | (adjective) having or resembling columns; having columns of a specified kind (often used as a combining form) | - |
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| columniation | (noun) (architecture) the arrangement of columns (especially freestanding columns) in a structure | - |
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| columniform | (adjective) having the form of a column | Synonyms: columnar, columnlike |
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| columnist | (noun) a journalist who writes editorials | Synonyms: editorialist |
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| columnlike | (adjective) having the form of a column | Synonyms: columnar, columniform |
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| combretum | (noun) any of numerous shrubs or small trees of the genus Combretum having spikes of small flowers | - |
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| compendium | (noun) a concise but comprehensive summary of a larger work | - |
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| (noun) a publication containing a variety of works | Synonyms: collection |
| condominium | (noun) housing consisting of a complex of dwelling units (as an apartment house) in which each unit is individually owned | - |
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| (noun) one of the dwelling units in a condominium | Synonyms: condo |
| conidium | (noun) an asexually produced fungal spore formed on a conidiophore | Synonyms: conidiospore |
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| consortium | (noun) an association of companies for some definite purpose | Synonyms: pool, syndicate |
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| consumable | (adjective) may be used up | - |
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| consume | (verb) engage fully | - |
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| (verb) serve oneself to, or consume regularly | Synonyms: have, ingest, take, take in |
| (verb) use up (resources or materials) | Synonyms: deplete, eat, eat up, exhaust, expend, run through, use, use up, wipe out |
| (verb) spend extravagantly | Synonyms: squander, ware, waste |
| (verb) eat up completely, as with great appetite | Synonyms: demolish, devour, down, go through |
| (verb) destroy completely | - |
| consumer | (noun) a person who uses goods or services | - |
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| consumerism | (noun) a movement advocating greater protection of the interests of consumers | - |
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| (noun) the theory that an increasing consumption of goods is economically beneficial | - |
| consuming | (adjective) very strong; urgently felt | Synonyms: overwhelming |
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| consummate | (adjective) perfect and complete in every respect; having all necessary qualities | Synonyms: complete |
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| (adjective) having or revealing supreme mastery or skill | Synonyms: masterful, masterly, virtuoso |
| (adjective) without qualification; used informally as (often pejorative) intensifiers | Synonyms: arrant, complete, double-dyed, everlasting, gross, perfect, pure, sodding, staring, stark, thorough, thoroughgoing, unadulterated, utter |
| (verb) make perfect; bring to perfection | - |
| (verb) fulfill sexually | - |
| consummated | (adjective) brought to completion | - |
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| consummation | (noun) the act of bringing to completion or fruition | - |
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| (noun) the completion of marriage by sexual intercourse | - |
| consumption | (noun) the act of consuming something | Synonyms: expenditure, using up |
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| (noun) the process of taking food into the body through the mouth (as by eating) | Synonyms: ingestion, intake, uptake |
| (noun) (economics) the utilization of economic goods to satisfy needs or in manufacturing | Synonyms: economic consumption, usance, use, use of goods and services |
| (noun) involving the lungs with progressive wasting of the body | Synonyms: phthisis, pulmonary tuberculosis, wasting disease, white plague |
| consumptive | (adjective) tending to consume or use often wastefully | - |
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| (adjective) afflicted with or associated with pulmonary tuberculosis | - |
| (noun) a person with pulmonary tuberculosis | Synonyms: lunger, tubercular |
| continuum | (noun) a continuous nonspatial whole or extent or succession in which no part or portion is distinct or distinguishable from adjacent parts | - |
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| contumacious | (adjective) wilfully obstinate; stubbornly disobedient | - |
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| contumaciously | (adverb) in a rebellious manner | Synonyms: defiantly, rebelliously |
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| contumacy | (noun) willful refusal to appear before a court or comply with a court order; can result in a finding of contempt of court | - |
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| (noun) obstinate rebelliousness and insubordination; resistance to authority | - |
| contumelious | (adjective) arrogantly insolent | - |
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| contumeliously | (adverb) without respect; in a disdainful manner | Synonyms: contemptuously, disdainfully, scornfully |
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| contumely | (noun) a rude expression intended to offend or hurt | Synonyms: abuse, insult, revilement, vilification |
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| conundrum | (noun) a difficult problem | Synonyms: brain-teaser, enigma, riddle |
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| corium | (noun) the deep vascular inner layer of the skin | Synonyms: derma, dermis |
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| corneum | (noun) the outermost layer of the epidermis consisting of dead cells that slough off | Synonyms: horny layer, stratum corneum |
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| corrigendum | (noun) a printer's error; to be corrected | - |
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| corundum | (noun) very hard mineral used as an abrasive | Synonyms: corundom |
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| corynebacterium | (noun) any species of the genus Corynebacterium | - |
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| costume | (noun) the attire worn in a play or at a fancy dress ball | - |
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| (noun) the attire characteristic of a country or a time or a social class | - |
| (noun) unusual or period attire not characteristic of or appropriate to the time and place | - |
| (noun) the prevalent fashion of dress (including accessories and hair style as well as garments) | - |
| (verb) dress in a costume | Synonyms: dress up |
| (verb) furnish with costumes; as for a film or play | - |
| costumed | (adjective) dressed in clothing characteristic of a period, country, or class | - |
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| costumer | (noun) someone who designs or supplies costumes (as for a play or masquerade) | Synonyms: costume designer, costumier |
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| costumier | (noun) someone who designs or supplies costumes (as for a play or masquerade) | Synonyms: costume designer, costumer |
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| coumarone | (noun) a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins | Synonyms: benzofuran, cumarone |
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| counterargument | (noun) an argument offered in opposition to another argument | - |
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| cranium | (noun) the part of the skull that encloses the brain | Synonyms: braincase, brainpan |
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| credendum | (noun) (Christianity) any of the sections into which a creed or other statement of doctrine is divided | Synonyms: article of faith |
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| crematorium | (noun) a furnace where a corpse can be burned and reduced to ashes | Synonyms: cremation chamber, crematory |
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| (noun) a mortuary where corpses are cremated | Synonyms: crematory |
| criterium | (noun) a bicycle race held on a short course (usually less than 5 km or 3 miles) | Synonyms: crit |
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| crumb | (noun) small piece of e.g. bread or cake | - |
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| (noun) a person who is deemed to be despicable or contemptible | Synonyms: bum, dirty dog, git, lowlife, puke, rat, rotter, scum bag, scumbag, skunk, so-and-so, stinker, stinkpot |
| (noun) a very small quantity of something | - |
| (verb) remove crumbs from | - |
| (verb) break into crumbs | - |
| (verb) coat with bread crumbs | - |
| crumble | (verb) break or fall apart into fragments | Synonyms: fall apart |
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| (verb) fall into decay or ruin | Synonyms: decay, dilapidate |
| (verb) fall apart | Synonyms: break down, collapse, crumple, tumble |
| crumbliness | (noun) excessive breakableness | Synonyms: friability |
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| crumbly | (adjective) easily broken into small fragments or reduced to powder | Synonyms: friable |
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| crumhorn | (noun) a Renaissance woodwind with a double reed and a curving tube (crooked horn) | Synonyms: cromorne, krummhorn |
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| crummy | (adjective) of very poor quality; flimsy | Synonyms: bum, cheap, cheesy, chintzy, punk, sleazy, tinny |
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| crump | (verb) explode heavily or with a loud dull noise | - |
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| (verb) bombard with heavy shells | - |
| (verb) make a noise typical of an engine lacking lubricants | Synonyms: scrunch, thud |
| crumpet | (noun) a thick soft cake with a porous texture; cooked on a griddle | - |
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| crumple | (verb) become wrinkled or crumpled or creased | Synonyms: crease, crinkle, rumple, wrinkle |
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| (verb) to gather something into small wrinkles or folds | Synonyms: cockle, knit, pucker, rumple |
| (verb) fold or collapse | Synonyms: buckle |
| (verb) fall apart | Synonyms: break down, collapse, crumble, tumble |
| crumpled | (adjective) of metal e.g. | Synonyms: bent, dented |
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| ctenidium | (noun) comb-like respiratory structure serving as the gill of certain mollusks | - |
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