| burdenless | (adjective) not encumbered with a physical burden or load | Synonyms: unburdened |
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| burdensome | (adjective) not easily borne; wearing | Synonyms: onerous, taxing |
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| burdensomeness | (noun) unwelcome burdensome difficulty | Synonyms: heaviness, onerousness, oppressiveness |
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| burnside | (noun) facial hair that has grown down the side of a man's face in front of the ears (especially when the rest of the beard is shaved off) | Synonyms: mutton chop, side-whiskers, sideburn |
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| bystander | (noun) a nonparticipant spectator | - |
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| cacodemon | (noun) an evil spirit | Synonyms: cacodaemon |
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| cacodemonic | (adjective) of or relating to evil spirits | Synonyms: cacodaemonic |
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| cadence | (noun) a recurrent rhythmical series | Synonyms: cadency |
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| (noun) the close of a musical section | - |
| (noun) (prosody) the accent in a metrical foot of verse | Synonyms: beat, measure, meter, metre |
| cadenced | (adjective) marked by a rhythmical cadence | Synonyms: cadent |
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| cadency | (noun) a recurrent rhythmical series | Synonyms: cadence |
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| cadent | (adjective) marked by a rhythmical cadence | Synonyms: cadenced |
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| cadenza | (noun) a brilliant solo passage occurring near the end of a piece of music | - |
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| cadet | (noun) a military trainee (as at a military academy) | Synonyms: plebe |
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| cadetship | (noun) the position of cadet | - |
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| caladenia | (noun) any of various orchids of the genus Caladenia | - |
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| caldera | (noun) a large crater caused by the violent explosion of a volcano that collapses into a depression | - |
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| calender | (noun) a machine that smooths or glazes paper or cloth by pressing it between plates or passing it through rollers | - |
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| (verb) press between rollers or plates so as to smooth, glaze, or thin into sheets | - |
| calendered | (adjective) (of paper and fabric and leather) having a surface made smooth and shiny especially by pressing between rollers | Synonyms: glossy |
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| camaraderie | (noun) the quality of affording easy familiarity and sociability | Synonyms: chumminess, comradeliness, comradery, comradeship |
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| camcorder | (noun) a portable television camera and videocassette recorder | - |
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| candela | (noun) the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin | Synonyms: candle, cd, standard candle |
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| candelabra | (noun) branched candlestick; ornamental; has several lights | Synonyms: candelabrum |
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| candelabrum | (noun) branched candlestick; ornamental; has several lights | Synonyms: candelabra |
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| candelilla | (noun) wax-coated shrub of northern Mexico and southwestern United States | Synonyms: Euphorbia antisyphilitica |
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| (noun) wax-coated Mexican shrub related to Euphorbia antisyphilitica | Synonyms: Pedilanthus bracteatus, Pedilanthus pavonis |
| candent | (adjective) emitting light as a result of being heated | Synonyms: incandescent |
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| candescent | (adjective) glowing from great heat | - |
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| cannonade | (noun) intense and continuous artillery fire | Synonyms: drumfire |
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| (verb) attack with cannons or artillery | - |
| canyonside | (noun) the steeply sloping side of a canyon | - |
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| carbamide | (noun) the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics | Synonyms: urea |
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| carbide | (noun) a binary compound of carbon with a more electropositive element | - |
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| cardholder | (noun) a player who holds a card or cards in a card game | - |
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| (noun) a person who holds a credit card or debit card | - |
| cascade | (noun) a sudden downpour (as of tears or sparks etc) likened to a rain shower | Synonyms: shower |
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| (noun) a succession of stages or operations or processes or units | - |
| (noun) a small waterfall or series of small waterfalls | - |
| (verb) arrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible | - |
| (verb) rush down in big quantities, like a cascade | Synonyms: cascade down |
| cathode | (noun) a negatively charged electrode that is the source of electrons entering an electrical device | - |
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| (noun) the positively charged terminal of a voltaic cell or storage battery that supplies current | - |
| caudex | (noun) woody stem of palms and tree ferns | - |
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| (noun) persistent thickened stem of a herbaceous perennial plant | Synonyms: stock |
| cavalcade | (noun) a procession of people traveling on horseback | - |
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| cede | (verb) relinquish possession or control over | Synonyms: deliver, give up, surrender |
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| (verb) give over; surrender or relinquish to the physical control of another | Synonyms: concede, grant, yield |
| centerfielder | (noun) the person who plays center field | Synonyms: center fielder |
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| centigrade | (adjective) of or relating to a temperature scale on which the freezing point of water is 0 degrees and the boiling point of water is 100 degrees | - |
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| centipede | (noun) chiefly nocturnal predacious arthropod having a flattened body of 15 to 173 segments each with a pair of legs, the foremost pair being modified as prehensors | - |
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| cerebroside | (noun) A cerebroside is any of various organic lipid compounds containing glucose or galactose and glucose; it occurs in the myelin sheath of cerebrospinal neurons. | - |
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| certitude | (noun) total certainty or greater certainty than circumstances warrant | Synonyms: cocksureness, overconfidence |
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| cestode | (noun) ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates | Synonyms: tapeworm |
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| cetrimide | (noun) a cationic detergent that is a powerful disinfectant | - |
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| chandelier | (noun) branched lighting fixture; often ornate; hangs from the ceiling | Synonyms: pendant, pendent |
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| chandelle | (noun) a flight maneuver consisting of a steep climbing turn executed to gain altitude while changing direction | - |
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| (verb) climb suddenly and steeply | - |
| charade | (noun) making a false outward show | Synonyms: masquerade |
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| (noun) a word acted out in an episode of the game of charades | - |
| charades | (noun) guessing game in which one player pantomimes a word or phrase for others to guess | - |
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| cheerleader | (noun) someone who leads the cheers by spectators at a sporting event | - |
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| (noun) an enthusiastic and vocal supporter | - |
| chickadee | (noun) any of various small grey-and-black songbirds of North America | - |
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| chide | (verb) censure severely or angrily | Synonyms: bawl out, berate, call down, call on the carpet, chew out, chew up, dress down, have words, jaw, lambast, lambaste, lecture, rag, rebuke, remonstrate, reprimand, scold, take to task, trounce |
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| chlamydeous | (adjective) having a floral envelope or perianth consisting of a calyx and/or corolla | - |
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| chlordiazepoxide | (noun) a tranquilizer (trade names Librium and Libritabs) used in the treatment of alcoholism | Synonyms: Libritabs, Librium |
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| chloride | (noun) any compound containing a chlorine atom | - |
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| (noun) any salt of hydrochloric acid (containing the chloride ion) | - |
| chlorobenzylidenemalononitrile | (noun) a tear gas that is stronger than CN gas but wears off faster; can be deployed by grenades or cluster bombs; can cause skin burns and fatal pulmonary edema | Synonyms: CS gas |
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| chlorothiazide | (noun) a diuretic drug (trade name Diuril) used in the treatment of edema and hypertension | Synonyms: Diuril |
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| chordamesoderm | (noun) the area of mesoderm that forms the notochord | Synonyms: chordomesoderm |
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| chordomesoderm | (noun) the area of mesoderm that forms the notochord | Synonyms: chordamesoderm |
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| chowder | (noun) a thick soup or stew made with milk and bacon and onions and potatoes | - |
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| churchwarden | (noun) an officer in the Episcopal church who helps a parish priest with secular matters | - |
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| chyloderma | (noun) swelling of the scrotum resulting from chronic lymphatic obstruction | Synonyms: elephantiasis scroti |
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| cider | (noun) a beverage made from juice pressed from apples | Synonyms: cyder |
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| ciderpress | (noun) a press that is used to extract the juice from apples | - |
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| cinder | (noun) a fragment of incombustible matter left after a wood or coal or charcoal fire | Synonyms: clinker |
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| cirripede | (noun) marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces | Synonyms: barnacle, cirriped |
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| citadel | (noun) a stronghold into which people could go for shelter during a battle | Synonyms: bastion |
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| citywide | (adjective) occurring or extending throughout a city | - |
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| clade | (noun) a group of biological taxa or species that share features inherited from a common ancestor | - |
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| cladode | (noun) a flattened stem resembling and functioning as a leaf | Synonyms: cladophyll, phylloclad, phylloclade |
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| clandestine | (adjective) conducted with or marked by hidden aims or methods | Synonyms: cloak-and-dagger, hole-and-corner, hugger-mugger, hush-hush, secret, surreptitious, undercover, underground |
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| clearheaded | (adjective) not mentally confused; able to think clearly and act intelligently | Synonyms: clear-thinking |
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| clitoridectomy | (noun) excision of the clitoris | Synonyms: female circumcision |
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| clouded | (adjective) filled or abounding with clouds | Synonyms: cloud-covered, overcast, sunless |
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| (adjective) mentally disordered | - |
| (adjective) made troubled or apprehensive or distressed in appearance | - |
| (adjective) unclear in form or expression | Synonyms: blurred |
| clowder | (noun) a group of cats | - |
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| coachbuilder | (noun) a craftsman who makes the bodies of motor vehicles | - |
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| cockade | (noun) an ornament (such as a knot of ribbon or a rosette) usually worn on the hat | - |
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| code | (noun) a coding system used for transmitting messages requiring brevity or secrecy | - |
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| (noun) a set of rules or principles or laws (especially written ones) | Synonyms: codification |
| (noun) (computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions | Synonyms: computer code |
| (noun) a series of letters, numbers or symbols assigned to something for the purpose of classification or identification | - |
| (verb) convert ordinary language into code | Synonyms: cipher, cypher, encipher, encrypt, inscribe, write in code |
| (verb) attach a code to | - |
| codefendant | (noun) a defendant who has been joined together with one or more other defendants in a single action | Synonyms: co-defendant |
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| codeine | (noun) derivative of opium; used as an antitussive (to relieve coughing) and an analgesic (to relieve pain) | - |
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| coder | (noun) a person who designs and writes and tests computer programs | Synonyms: computer programmer, programmer, software engineer |
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| codetalker | (noun) a secret agent who was one of the Navajos who devised and used a code based on their native language; the code was unbroken by the Japanese during World War II | Synonyms: windtalker |
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| codex | (noun) an unbound manuscript of some ancient classic (as distinguished from a scroll) | Synonyms: leaf-book |
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| (noun) an official list of chemicals or medicines etc. | - |
| cofounder | (noun) one of a group of founders | - |
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| coincide | (verb) happen simultaneously | Synonyms: concur |
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| (verb) go with, fall together | Synonyms: co-occur, cooccur |
| (verb) be the same | - |
| coincidence | (noun) the temporal property of two things happening at the same time | Synonyms: co-occurrence, concurrence, conjunction |
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| (noun) the quality of occupying the same position or area in space | - |
| (noun) an event that might have been arranged although it was really accidental | Synonyms: happenstance |
| coincident | (adjective) matching point for point | - |
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| (adjective) occurring or operating at the same time | Synonyms: co-occurrent, coincidental, coinciding, concurrent, cooccurring, simultaneous |
| coincidental | (adjective) occurring or operating at the same time | Synonyms: co-occurrent, coincident, coinciding, concurrent, cooccurring, simultaneous |
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| coincidentally | (adverb) happening at the same time | Synonyms: coincidently |
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| coincidently | (adverb) happening at the same time | Synonyms: coincidentally |
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| colander | (noun) bowl-shaped strainer; used to wash or drain foods | Synonyms: cullender |
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| collide | (verb) crash together with violent impact | Synonyms: clash |
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| (verb) cause to collide | - |
| (verb) be incompatible; be or come into conflict | Synonyms: clash, jar |
| collider | (noun) an accelerator in which two beams of particles are forced to collide head on | - |
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| collude | (verb) act in unison or agreement and in secret towards a deceitful or illegal purpose | Synonyms: conspire |
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| colonnade | (noun) structure consisting of a row of evenly spaced columns | - |
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| (noun) a structure composed of a series of arches supported by columns | Synonyms: arcade |
| colonnaded | (adjective) having a series of columns arranged at regular intervals | - |
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| commandeer | (verb) take arbitrarily or by force | Synonyms: highjack, hijack, pirate |
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| commander | (noun) an officer in command of a military unit | Synonyms: commandant, commanding officer |
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| (noun) a commissioned naval officer who ranks above a lieutenant commander and below a captain | - |
| (noun) an officer in the airforce | Synonyms: air force officer |
| (noun) someone in an official position of authority who can command or control others | - |
| commandership | (noun) the position or office of commander | Synonyms: commandery |
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| commandery | (noun) the position or office of commander | Synonyms: commandership |
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| commode | (noun) a plumbing fixture for defecation and urination | Synonyms: can, crapper, pot, potty, stool, throne, toilet |
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| (noun) a tall elegant chest of drawers | Synonyms: chiffonier |
| compander | (noun) a system for improving the signal-to-noise ratio of a signal at a transmitter or recorder by first compressing the volume range of the signal and then restoring it to its original amplitude level at the receiving or reproducing apparatus. | - |
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