| rationality | (noun) the quality of being consistent with or based on logic | Synonyms: rationalness |
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| (noun) the state of having good sense and sound judgment | Synonyms: reason, reasonableness |
| rationalization | (noun) systematic organization; the act of organizing something according to a system or a rationale | Synonyms: rationalisation, systematisation, systematization |
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| (noun) (mathematics) the simplification of an expression or equation by eliminating radicals without changing the value of the expression or the roots of the equation | Synonyms: rationalisation |
| (noun) the organization of a business according to scientific principles of management in order to increase efficiency | Synonyms: rationalisation |
| (noun) the cognitive process of making something seem consistent with or based on reason | Synonyms: rationalisation |
| (noun) (psychiatry) a defense mechanism by which your true motivation is concealed by explaining your actions and feelings in a way that is not threatening | Synonyms: rationalisation |
| rationalize | (verb) weed out unwanted or unnecessary things | Synonyms: cut, prune, rationalise |
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| (verb) remove irrational quantities from | Synonyms: rationalise |
| (verb) think rationally; employ logic or reason | Synonyms: rationalise |
| (verb) defend, explain, clear away, or make excuses for by reasoning | Synonyms: apologise, apologize, excuse, rationalise |
| (verb) structure and run according to rational or scientific principles in order to achieve desired results | Synonyms: rationalise |
| rationally | (adverb) in a rational manner | - |
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| rationalness | (noun) the quality of being consistent with or based on logic | Synonyms: rationality |
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| rationed | (adjective) distributed equitably in limited individual portions | - |
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| rationing | (noun) the act of rationing | - |
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| ratite | (noun) flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches, cassowaries, emus, moas, rheas, kiwis, elephant birds | Synonyms: flightless bird, ratite bird |
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| ratlike | (adjective) resembling or characteristic of a rat | - |
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| ratlin | (noun) (nautical) a small horizontal rope between the shrouds of a sailing ship; they form a ladder for climbing aloft | Synonyms: ratline |
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| ratline | (noun) (nautical) a small horizontal rope between the shrouds of a sailing ship; they form a ladder for climbing aloft | Synonyms: ratlin |
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| ratsbane | (noun) a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer | Synonyms: arsenic, arsenic trioxide, arsenous anhydride, arsenous oxide, white arsenic |
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| rattail | (noun) deep-sea fish with a large head and body and long tapering tail | Synonyms: grenadier, rattail fish |
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| rattan | (noun) a switch made from the stems of the rattan palms | Synonyms: ratan |
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| (noun) climbing palm of Sri Lanka and southern India remarkable for the great length of the stems which are used for malacca canes | Synonyms: Calamus rotang, rattan palm |
| (noun) the stem of various climbing palms of the genus Calamus and related genera used to make wickerwork and furniture and canes | Synonyms: rattan cane |
| ratter | (noun) any of several breeds of terrier developed to catch rats | Synonyms: rat terrier |
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| (noun) a disloyal person who betrays or deserts his cause or religion or political party or friend etc. | Synonyms: apostate, deserter, recreant, renegade, turncoat |
| ratting | (noun) to furnish incriminating evidence to an officer of the law (usually in return for favors) | Synonyms: informing |
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| rattle | (noun) loosely connected horny sections at the end of a rattlesnake's tail | - |
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| (noun) a baby's toy that makes percussive noises when shaken | - |
| (noun) a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders) | Synonyms: rale, rattling |
| (verb) shake and cause to make a rattling noise | - |
| (verb) make short successive sounds | - |
| rattlebox | (noun) any of various plants of the genus Crotalaria having inflated pods within which the seeds rattle; used for pasture and green-manure crops | Synonyms: crotalaria |
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| rattlebrained | (adjective) lacking sense or discretion | Synonyms: rattlepated, scatterbrained, scatty |
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| rattled | (adjective) thrown into a state of agitated confusion; (`rattled' is an informal term) | Synonyms: flustered, hot and bothered, perturbed |
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| rattlepated | (adjective) lacking sense or discretion | Synonyms: rattlebrained, scatterbrained, scatty |
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| rattler | (noun) pit viper with horny segments at the end of the tail that rattle when shaken | Synonyms: rattlesnake |
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| (noun) a railroad train consisting of freight cars | Synonyms: freight train |
| rattlesnake | (noun) pit viper with horny segments at the end of the tail that rattle when shaken | Synonyms: rattler |
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| rattling | (adjective) quick and energetic | Synonyms: alert, brisk, lively, merry, snappy, spanking, zippy |
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| (adjective) extraordinarily good or great; used especially as intensifiers | Synonyms: fantastic, grand, howling, marvellous, marvelous, phenomenal, terrific, tremendous, wonderful, wondrous |
| (noun) a rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders) | Synonyms: rale, rattle |
| (adverb) used to give emphasis | Synonyms: real, really, very |
| rattrap | (noun) a trap for catching rats | - |
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| (noun) filthy run-down dilapidated housing | - |
| (noun) a difficult entangling situation | - |
| ratty | (adjective) of or characteristic of rats | - |
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| (adjective) dirty and infested with rats | - |
| (adjective) showing signs of wear and tear | Synonyms: moth-eaten, shabby, tatty |
| raucous | (adjective) unpleasantly loud and harsh | Synonyms: strident |
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| (adjective) disturbing the public peace; loud and rough | Synonyms: rowdy |
| raucously | (adverb) with a raucous sound | - |
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| (adverb) in a rowdy manner | Synonyms: rowdily |
| raunch | (noun) the quality of lacking taste and refinement | Synonyms: coarseness, commonness, grossness, vulgarism, vulgarity |
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| raunchy | (adjective) thickly covered with ingrained dirt or soot | Synonyms: begrimed, dingy, grimy, grubby, grungy |
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| (adjective) suggestive of or tending to moral looseness | Synonyms: lewd, obscene, salacious |
| (adjective) earthy and sexually explicit | - |
| rauvolfia | (noun) any shrub or small tree of the genus Rauwolfia having leaves in whorls and cymose flowers; yield substances used medicinally especially as emetics or purgatives or antihypertensives | Synonyms: rauwolfia |
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| rauwolfia | (noun) any shrub or small tree of the genus Rauwolfia having leaves in whorls and cymose flowers; yield substances used medicinally especially as emetics or purgatives or antihypertensives | Synonyms: rauvolfia |
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| (noun) any of several alkaloids extracted from the shrub Rauwolfia serpentina | - |
| ravage | (noun) (usually plural) a destructive action | Synonyms: depredation |
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| (verb) make a pillaging or destructive raid on (a place), as in wartimes | Synonyms: harry |
| (verb) cause extensive destruction or ruin utterly | Synonyms: desolate, devastate, lay waste to, scourge, waste |
| ravaged | (adjective) having been robbed and destroyed by force and violence | Synonyms: despoiled, pillaged, raped, sacked |
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| ravaging | (adjective) ruinously destructive and wasting | - |
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| (noun) plundering with excessive damage and destruction | Synonyms: devastation |
| rave | (noun) an extravagantly enthusiastic review | - |
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| (noun) a dance party that lasts all night and electronically synthesized music is played | - |
| (verb) praise enthusiastically | Synonyms: gush |
| (verb) talk in a noisy, excited, or declamatory manner | Synonyms: jabber, mouth off, rabbit on, rant, spout |
| (verb) participate in an all-night techno dance party | - |
| ravehook | (noun) a hooked hand tool used to prepare the seams of a boat for oakum | - |
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| ravel | (noun) a row of unravelled stitches | Synonyms: ladder, run |
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| (verb) tangle or complicate | Synonyms: knot, tangle |
| (verb) disentangle | Synonyms: ravel out, unravel |
| raveling | (noun) a bit of fiber that has become separated from woven fabric | Synonyms: ravelling |
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| ravelling | (noun) a bit of fiber that has become separated from woven fabric | Synonyms: raveling |
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| raven | (noun) large black bird with a straight bill and long wedge-shaped tail | Synonyms: Corvus corax |
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| (verb) eat greedily | Synonyms: devour, guttle, pig |
| (verb) feed greedily | - |
| (verb) prey on or hunt for | Synonyms: predate, prey |
| (verb) obtain or seize by violence | - |
| ravenala | (noun) giant treelike plant having edible nuts and leafstalks that yield a refreshing drink of clear watery sap; reputedly an emergency source of water for travelers | Synonyms: Ravenala madagascariensis, traveler's tree, traveller's tree |
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| ravening | (adjective) excessively greedy and grasping | Synonyms: rapacious, voracious |
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| (adjective) living by preying on other animals especially by catching living prey | Synonyms: predatory, rapacious, raptorial, vulturine, vulturous |
| (adjective) devouring or craving food in great quantities | Synonyms: edacious, esurient, rapacious, ravenous, voracious, wolfish |
| ravenous | (adjective) devouring or craving food in great quantities | Synonyms: edacious, esurient, rapacious, ravening, voracious, wolfish |
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| (adjective) extremely hungry | Synonyms: esurient, famished, sharp-set, starved |
| ravenously | (adverb) in the manner of someone who is very hungry | Synonyms: hungrily |
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| ravenousness | (noun) excessive desire to eat | Synonyms: edacity, esurience, voraciousness, voracity |
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| raver | (noun) someone who rants and raves; speaks in a violent or loud manner | Synonyms: ranter |
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| (noun) a participant in a rave dancing party | - |
| ravigote | (noun) veloute sauce seasoned with chopped chervil, chives, tarragon, shallots and capers | Synonyms: ravigotte |
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| ravigotte | (noun) veloute sauce seasoned with chopped chervil, chives, tarragon, shallots and capers | Synonyms: ravigote |
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| ravine | (noun) a deep narrow steep-sided valley (especially one formed by running water) | - |
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| raving | (adjective) talking or behaving irrationally | Synonyms: raving mad, wild |
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| (noun) declaiming wildly | - |
| (adverb) in a raving manner | Synonyms: ravingly |
| ravingly | (adverb) in a raving manner | Synonyms: raving |
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| ravioli | (noun) small circular or square cases of dough with savory fillings | Synonyms: cappelletti |
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| ravish | (verb) hold spellbound | Synonyms: delight, enchant, enrapture, enthral, enthrall, transport |
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| (verb) force (someone) to have sex against their will | Synonyms: assault, dishonor, dishonour, outrage, rape, violate |
| ravisher | (noun) someone who assaults others sexually | Synonyms: debaucher, violator |
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| (noun) a very attractive or seductive looking woman | Synonyms: beauty, dish, knockout, looker, lulu, mantrap, peach, smasher, stunner, sweetheart |
| ravishing | (adjective) stunningly beautiful | - |
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| ravishingly | (adverb) in a ravishing manner or to a ravishing degree | - |
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| ravishment | (noun) the crime of forcing a person to submit to sexual intercourse against his or her will | Synonyms: assault, rape, violation |
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| (noun) a feeling of delight at being filled with wonder and enchantment | Synonyms: entrancement |
| raw | (adjective) not treated with heat to prepare it for eating | - |
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| (adjective) unpleasantly cold and damp | Synonyms: bleak, cutting |
| (adjective) lacking training or experience | Synonyms: new |
| (adjective) having the surface exposed and painful | - |
| (adjective) devoid of elaboration or diminution or concealment; bare and pure | Synonyms: naked |
| (adjective) hurting | Synonyms: sensitive, sore, tender |
| (adjective) not processed or subjected to analysis | Synonyms: crude |
| (adjective) (used informally) completely unclothed | Synonyms: bare-ass, bare-assed, in the altogether, in the buff, in the raw, naked as a jaybird, peeled, stark naked |
| (adjective) brutally unfair or harsh | - |
| (adjective) used of wood and furniture | Synonyms: unsanded |
| (adjective) untempered and unrefined | - |
| (adjective) (used especially of commodities) being unprocessed or manufactured using only simple or minimal processes | Synonyms: natural, rude |
| (adjective) not processed or refined | - |
| (noun) informal terms for nakedness | Synonyms: altogether, birthday suit |
| rawboned | (adjective) having a lean and bony physique | - |
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| rawhide | (noun) untanned hide especially of cattle; cut in strips it is used for whips and ropes | - |
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| rawness | (noun) lack of experience and the knowledge and understanding derived from experience | Synonyms: inexperience |
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| (noun) the state of being crude and incomplete and imperfect | Synonyms: incompleteness |
| (noun) a pain that is felt (as when the area is touched) | Synonyms: soreness, tenderness |
| (noun) a chilly dampness | - |
| ray | (noun) cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins | - |
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| (noun) any of the stiff bony spines in the fin of a fish | - |
| (noun) the syllable naming the second (supertonic) note of any major scale in solmization | Synonyms: re |
| (noun) a column of light (as from a beacon) | Synonyms: beam, beam of light, irradiation, light beam, ray of light, shaft, shaft of light |
| (noun) a group of nearly parallel lines of electromagnetic radiation | Synonyms: beam, electron beam |
| (noun) a branch of an umbel or an umbelliform inflorescence | - |
| (noun) (mathematics) a straight line extending from a point | - |
| (verb) expose to radiation | Synonyms: irradiate |
| (verb) extend or spread outward from a center or focus or inward towards a center | Synonyms: radiate |
| (verb) emit as rays | - |
| rayless | (adjective) having no parts resembling rays; not having ray flowers | - |
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| rayon | (noun) a synthetic silklike fabric | - |
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| rayons | (noun) women's stockings made from a sheer material (nylon or rayon or silk) | Synonyms: nylon stocking, nylons, rayon stocking, silk stocking |
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| razbliuto | (noun) the sentimental feeling you have about someone you once loved but no longer do | - |
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| raze | (verb) tear down so as to make flat with the ground | Synonyms: dismantle, level, pull down, rase, take down, tear down |
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| razed | (adjective) torn down and broken up | Synonyms: demolished, dismantled |
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| razing | (noun) complete destruction of a building | Synonyms: demolishing, leveling, tearing down |
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| (noun) the event of a structure being completely demolished and leveled | Synonyms: wrecking |
| razmataz | (noun) any exciting and complex play intended to confuse (dazzle) the opponent | Synonyms: razzle-dazzle, razzle, razzmatazz |
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| razor | (noun) edge tool used in shaving | - |
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| (verb) shave with a razor | - |
| razorback | (adjective) having a sharp narrow back | Synonyms: razor-backed |
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| (noun) a mongrel hog with a thin body and long legs and a ridged back; a wild or semi-wild descendant of improved breeds; found chiefly in the southeastern United States | Synonyms: razorback hog, razorbacked hog |
| (noun) any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin | Synonyms: rorqual |
| razorbill | (noun) black-and-white northern Atlantic auk having a compressed sharp-edged bill | Synonyms: Alca torda, razor-billed auk |
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| razorblade | (noun) a blade that has very sharp edge | - |
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| razz | (noun) a cry or noise made to express displeasure or contempt | Synonyms: bird, boo, Bronx cheer, hiss, hoot, raspberry, razzing, snort |
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| (verb) harass with persistent criticism or carping | Synonyms: bait, cod, rag, rally, ride, tantalise, tantalize, taunt, tease, twit |
| razzing | (noun) a cry or noise made to express displeasure or contempt | Synonyms: bird, boo, Bronx cheer, hiss, hoot, raspberry, razz, snort |
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| razzle | (noun) any exciting and complex play intended to confuse (dazzle) the opponent | Synonyms: razmataz, razzle-dazzle, razzmatazz |
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| razzmatazz | (noun) any exciting and complex play intended to confuse (dazzle) the opponent | Synonyms: razmataz, razzle-dazzle, razzle |
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