| antiparallel | (adjective) (especially of vectors) parallel but oppositely directed | - |
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| antiparticle | (noun) a particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy | - |
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| antipasto | (noun) a course of appetizers in an Italian meal | - |
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| antipathetic | (adjective) (usually followed by `to') strongly opposed | Synonyms: antipathetical, averse, indisposed, loath, loth |
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| (adjective) characterized by antagonism or antipathy | Synonyms: antagonistic, antipathetical |
| antipathetical | (adjective) (usually followed by `to') strongly opposed | Synonyms: antipathetic, averse, indisposed, loath, loth |
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| (adjective) characterized by antagonism or antipathy | Synonyms: antagonistic, antipathetic |
| antipathy | (noun) the object of a feeling of intense aversion; something to be avoided | - |
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| (noun) a feeling of intense dislike | Synonyms: aversion, distaste |
| antipersonnel | (adjective) designed to inflict death or personal injury rather than material destruction | - |
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| antiperspirant | (noun) an astringent substance applied to the skin to reduce perspiration | - |
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| antiphlogistic | (adjective) counteracting inflammation | - |
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| antiphon | (noun) a verse or song to be chanted or sung in response | Synonyms: antiphony |
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| antiphonal | (adjective) containing or using responses; alternating | Synonyms: responsive |
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| (adjective) relating to or resembling an antiphon or antiphony | Synonyms: antiphonary |
| (noun) bound collection of antiphons | Synonyms: antiphonary |
| antiphonary | (adjective) relating to or resembling an antiphon or antiphony | Synonyms: antiphonal |
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| (noun) bound collection of antiphons | Synonyms: antiphonal |
| antiphony | (noun) alternate (responsive) singing by a choir in two parts | - |
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| (noun) a verse or song to be chanted or sung in response | Synonyms: antiphon |
| antiphrasis | (noun) the use of a word in a sense opposite to its normal sense (especially in irony) | - |
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| antipodal | (adjective) relating to the antipodes or situated at opposite sides of the earth | Synonyms: antipodean |
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| (noun) the relation of opposition along a diameter | Synonyms: antipodal opposition, diametrical opposition |
| antipode | (noun) direct opposite | - |
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| antipodean | (adjective) relating to the antipodes or situated at opposite sides of the earth | Synonyms: antipodal |
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| antipodes | (noun) any two places or regions on diametrically opposite sides of the Earth | - |
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| antipollution | (adjective) intended to reduce pollution | - |
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| antipope | (noun) someone who is elected pope in opposition to another person who is held to be canonically elected | - |
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| antiproton | (noun) an unstable negatively charged proton; the antiparticle of a proton | - |
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| antiprotozoal | (noun) a medicinal drug used to fight diseases (like malaria) that are caused by protozoa | Synonyms: antiprotozoal drug |
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| antipruritic | (noun) a substance that relieves or prevents itching | - |
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| antipsychotic | (noun) tranquilizer used to treat psychotic conditions when a calming effect is desired | Synonyms: antipsychotic agent, antipsychotic drug, major tranquilizer, major tranquilliser, major tranquillizer, neuroleptic, neuroleptic agent, neuroleptic drug |
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| antipyresis | (noun) medication with antipyretics to treat a fever | - |
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| antipyretic | (adjective) preventing or alleviating fever | - |
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| (noun) any medicine that lowers body temperature to prevent or alleviate fever | Synonyms: febrifuge |
| 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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| constipate | (verb) cause to be constipated | Synonyms: bind |
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| (verb) impede with a clog or as if with a clog | Synonyms: clog |
| constipated | (adjective) have difficult or incomplete or infrequent evacuation of the bowels | - |
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| constipation | (noun) the act of making something futile and useless (as by routine) | Synonyms: deadening, impairment, stultification |
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| (noun) irregular and infrequent or difficult evacuation of the bowels; can be a symptom of intestinal obstruction or diverticulitis | Synonyms: irregularity |
| fingertip | (noun) the end (tip) of a finger | - |
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| heeltip | (noun) The bottom end of a heel, usually made of plastic or metal. | Synonyms: heel tip |
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| multiparous | (adjective) producing more than one offspring at a time | - |
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| multipartite | (adjective) involving more than two parties | - |
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| multiphase | (adjective) of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle | Synonyms: polyphase |
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| multiple | (adjective) having or involving or consisting of more than one part or entity or individual | - |
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| (noun) the product of a quantity by an integer | - |
| multiplex | (adjective) having many parts or aspects | - |
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| (adjective) many and varied; having many features or forms | Synonyms: manifold |
| (noun) a movie theater that has several different auditoriums in the same building | - |
| (noun) communicates two or more signals over a common channel | - |
| multiplexer | (noun) a device that can interleave two or more activities | - |
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| multiplicand | (noun) the number that is multiplied by the multiplier | - |
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| multiplication | (noun) an arithmetic operation that is the inverse of division; the product of two numbers is computed | Synonyms: times |
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| (noun) the act of producing offspring or multiplying by such production | Synonyms: generation, propagation |
| (noun) a multiplicative increase | - |
| multiplicative | (adjective) tending or having the power to multiply or increase in number or quantity or degree | - |
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| multiplicatively | (adverb) in a multiplicative manner | - |
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| multiplicity | (noun) a large number | Synonyms: numerosity, numerousness |
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| (noun) the property of being multiple | - |
| multiplied | (adjective) greatly increased as by multiplication | - |
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| multiplier | (noun) the number by which a multiplicand is multiplied | Synonyms: multiplier factor |
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| multiply | (adverb) in several ways; in a multiple manner | - |
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| (verb) have young (animals) or reproduce (organisms) | Synonyms: breed |
| (verb) have offspring or produce more individuals of a given animal or plant | Synonyms: procreate, reproduce |
| (verb) combine or increase by multiplication | Synonyms: manifold |
| (verb) make multiple copies of | Synonyms: manifold |
| (verb) combine by multiplication | - |
| multipotent | (adjective) able to many things | - |
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| multiprocessing | (noun) simultaneous processing by two or more processing units | Synonyms: parallel processing |
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| multiprocessor | (noun) a computer that uses two or more processing units under integrated control | - |
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| multiprogramming | (noun) the execution of two or more computer programs by a single computer | Synonyms: concurrent execution |
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| multipurpose | (adjective) having multiple uses | - |
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| obstipate | (verb) constipate severely | - |
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| obstipation | (noun) severe constipation resulting from an obstruction in the intestines | - |
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| pinnatiped | (noun) aquatic carnivorous mammal having a streamlined body specialized for swimming with limbs modified as flippers | Synonyms: pinniped, pinniped mammal |
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| protip | (noun) an insightful bit of advice | - |
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| quintipara | (noun) (obstetrics) woman who has given birth to a viable infant in each of five pregnancies | - |
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| silvertip | (noun) powerful brownish-yellow bear of the uplands of western North America | Synonyms: grizzly, grizzly bear, silver-tip, Ursus arctos horribilis, Ursus horribilis |
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| stipe | (noun) supporting stalk or stem-like structure especially of a pistil or fern frond or supporting a mushroom cap | - |
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| stipend | (noun) a sum of money allotted on a regular basis; usually for some specific purpose | - |
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| stipendiary | (adjective) pertaining to or of the nature of a stipend or allowance | - |
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| (adjective) for which money is paid | Synonyms: compensable, paying, remunerative, salaried |
| (adjective) receiving or eligible for compensation | Synonyms: compensated, remunerated, salaried |
| (noun) (United Kingdom) a paid magistrate (appointed by the Home Secretary) dealing with police cases | Synonyms: stipendiary magistrate |
| stipple | (verb) produce a mottled effect | Synonyms: speckle |
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| (verb) engrave by means of dots and flicks | - |
| (verb) make by small short touches that together produce an even or softly graded shadow, as in paint or ink | - |
| (verb) apply (paint) in small dots or strokes | - |
| stippled | (adjective) having a pattern of dots | Synonyms: dotted, flecked, specked, speckled |
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| stippler | (noun) a painter who stipples (creates a stippled effect) | - |
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| stipulate | (verb) specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement | Synonyms: condition, qualify, specify |
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| (verb) give a guarantee or promise of | - |
| (verb) make an oral contract or agreement in the verbal form of question and answer that is necessary to give it legal force | - |
| stipulation | (noun) a restriction that is insisted upon as a condition for an agreement | Synonyms: specification |
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| (noun) an assumption on which rests the validity or effect of something else | Synonyms: condition, precondition |
| (noun) (law) an agreement or concession made by parties in a judicial proceeding (or by their attorneys) relating to the business before the court; must be in writing unless they are part of the court record | Synonyms: judicial admission |
| stipulatory | (adjective) constituted or contracted by stipulation or agreement | Synonyms: agreed upon |
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| stipule | (noun) a small leafy outgrowth at the base of a leaf or its stalk; usually occurring in pairs and soon shed | - |
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| tidytips | (noun) California annual having flower heads with yellow rays tipped with white | Synonyms: Layia platyglossa, tidy tips |
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| tip | (noun) an indication of potential opportunity | Synonyms: confidential information, hint, lead, steer, wind |
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| (noun) the extreme end of something; especially something pointed | - |
| (noun) the top or extreme point of something (usually a mountain or hill) | Synonyms: crest, crown, peak, summit, top |
| (noun) a relatively small amount of money given for services rendered (as by a waiter) | Synonyms: backsheesh, baksheesh, bakshis, bakshish, gratuity, pourboire |
| (noun) a V shape | Synonyms: peak, point |
| (verb) mark with a tip | - |
| (verb) remove the tip from | - |
| (verb) give insider information or advise to | Synonyms: tip off |
| (verb) strike lightly | Synonyms: tap |
| (verb) walk on one's toes | Synonyms: tippytoe, tiptoe |
| (verb) to incline or bend from a vertical position | Synonyms: angle, lean, slant, tilt |
| (verb) cause to tilt | - |
| (verb) cause to topple or tumble by pushing | Synonyms: topple, tumble |
| (verb) give a tip or gratuity to in return for a service, beyond the compensation agreed on | Synonyms: bung, fee |
| tipi | (noun) a Native American tent; usually of conical shape | Synonyms: teepee, tepee |
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| tipped | (adjective) having a tip; or having a tip as specified (used in combination) | - |
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| (adjective) departing or being caused to depart from the true vertical or horizontal | Synonyms: atilt, canted, leaning, tilted |
| tipper | (noun) truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity | Synonyms: dump truck, dumper, tip truck, tipper lorry, tipper truck |
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| (noun) a person who leaves a tip | - |
| tippet | (noun) a woman's fur shoulder cape with hanging ends; often consisting of the whole fur of a fox or marten | - |
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| tipple | (noun) a serving of drink (usually alcoholic) drawn from a keg | Synonyms: draft, draught, potation |
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| (verb) drink moderately but regularly | Synonyms: bib |
| tippler | (noun) someone who drinks liquor repeatedly in small quantities | Synonyms: social drinker |
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| tippy | (adjective) (used of boats) inclined to heel over easily under sail | Synonyms: crank, cranky, tender |
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| tippytoe | (verb) walk on one's toes | Synonyms: tip, tiptoe |
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| tipsiness | (noun) a temporary state resulting from excessive consumption of alcohol | Synonyms: drunkenness, inebriation, inebriety, insobriety, intoxication |
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| tipstaff | (noun) staff with a metal tip carried as a sign of office by e.g. a bailiff or constable | - |
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| tipster | (noun) one who sells advice about gambling or speculation (especially at the racetrack) | Synonyms: tout |
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| tipsy | (adjective) slightly intoxicated | Synonyms: potty, tiddly |
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| (adjective) unstable and prone to tip as if intoxicated | - |
| tiptoe | (noun) the tip of a toe | - |
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| (adverb) on tiptoe or as if on tiptoe | - |
| (verb) walk on one's toes | Synonyms: tip, tippytoe |
| tiptop | (adjective) of the highest quality | Synonyms: A-one, ace, crack, first-rate, super, top-notch, topnotch, tops |
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| (noun) the extreme top or summit | - |
| (noun) the highest level or degree attainable; the highest stage of development | Synonyms: acme, elevation, height, meridian, peak, pinnacle, summit, superlative, top |
| tipu | (noun) semi-evergreen South American tree with odd-pinnate leaves and golden yellow flowers cultivated as an ornamental | Synonyms: pride of Bolivia, tipu tree, yellow jacaranda |
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| totipotence | (noun) the ability of a cell to give rise to unlike cells and so to develop a new organism or part | Synonyms: totipotency |
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| totipotency | (noun) the ability of a cell to give rise to unlike cells and so to develop a new organism or part | Synonyms: totipotence |
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| totipotent | (adjective) having the ability to give rise to unlike cells | - |
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| unconstipated | (adjective) not constipated | Synonyms: regular |
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| untipped | (adjective) not provided with a special tip | - |
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