| abetalipoproteinemia | (noun) a rare inherited disorder of fat metabolism; characterized by severe deficiency of beta-lipoproteins and abnormal red blood cells (acanthocytes) and abnormally low cholesterol levels | - |
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| acupressure | (noun) treatment of symptoms by applying pressure with the fingers to specific pressure points on the body | Synonyms: G-Jo, shiatsu |
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| adpressed | (adjective) pressed close to or lying flat against something | Synonyms: appressed |
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| agitprop | (noun) political propaganda (especially communist propaganda) communicated via art and literature and cinema | - |
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| alprazolam | (noun) an antianxiety agent (trade name Xanax) of the benzodiazepine class | Synonyms: Xanax |
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| amphiprostylar | (adjective) marked by columniation having free columns in porticoes either at both ends or at both sides of a structure | Synonyms: amphiprostyle, amphistylar, porticoed |
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| amphiprostyle | (adjective) marked by columniation having free columns in porticoes either at both ends or at both sides of a structure | Synonyms: amphiprostylar, amphistylar, porticoed |
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| amphiprotic | (adjective) having characteristics of both an acid and a base and capable of reacting as either | Synonyms: amphoteric |
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| antidepressant | (noun) any of a class of drugs used to treat depression; often have undesirable side effects | Synonyms: antidepressant drug |
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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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| appraisal | (noun) an expert estimation of the quality, quantity, and other characteristics of someone or something | - |
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| (noun) the classification of someone or something with respect to its worth | Synonyms: assessment |
| (noun) a document appraising the value of something (as for insurance or taxation) | Synonyms: estimate, estimation |
| appraise | (verb) consider in a comprehensive way | Synonyms: survey |
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| (verb) evaluate or estimate the nature, quality, ability, extent, or significance of | Synonyms: assess, evaluate, measure, valuate, value |
| appraiser | (noun) one who estimates officially the worth or value or quality of things | Synonyms: valuator |
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| (noun) one who determines authenticity (as of works of art) or who guarantees validity | Synonyms: authenticator |
| appraising | (adjective) exercising or involving careful evaluations | Synonyms: evaluative |
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| appreciable | (adjective) enough to be estimated or measured | - |
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| appreciably | (adverb) to a noticeable degree | - |
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| appreciate | (verb) gain in value | Synonyms: apprise, apprize, revalue |
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| (verb) increase the value of | Synonyms: apprise, apprize |
| (verb) be fully aware of; realize fully | Synonyms: take account |
| (verb) recognize with gratitude; be grateful for | - |
| (verb) hold dear | Synonyms: prize, treasure, value |
| appreciated | (adjective) fully understood or grasped | Synonyms: apprehended, comprehended |
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| appreciation | (noun) a favorable judgment | Synonyms: admiration |
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| (noun) an increase in price or value | - |
| (noun) understanding of the nature or meaning or quality or magnitude of something | Synonyms: grasp, hold |
| (noun) delicate discrimination (especially of esthetic values) | Synonyms: discernment, perceptiveness, taste |
| (noun) an expression of gratitude | - |
| appreciative | (adjective) having or showing appreciation or a favorable critical judgment or opinion | - |
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| (adjective) feeling or expressive of gratitude | - |
| appreciatively | (adverb) with appreciation; in a grateful manner | Synonyms: gratefully |
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| appreciativeness | (noun) warm friendly feelings of gratitude | Synonyms: gratefulness, thankfulness |
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| appreciator | (noun) a person who is fully aware of something and understands it | - |
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| apprehend | (verb) get the meaning of something | Synonyms: compass, comprehend, dig, get the picture, grasp, grok, savvy |
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| (verb) take into custody | Synonyms: arrest, collar, cop, nab, nail, pick up |
| (verb) anticipate with dread or anxiety | Synonyms: quail at |
| apprehended | (adjective) fully understood or grasped | Synonyms: appreciated, comprehended |
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| apprehender | (noun) a person who seizes or arrests (especially a person who seizes or arrests in the name of justice) | - |
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| (noun) a person who knows or apprehends | Synonyms: knower |
| apprehensible | (adjective) capable of being apprehended or understood | Synonyms: graspable, intelligible, perceivable, understandable |
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| apprehension | (noun) the act of apprehending (especially apprehending a criminal) | Synonyms: arrest, catch, collar, pinch, taking into custody |
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| (noun) the cognitive condition of someone who understands | Synonyms: discernment, savvy, understanding |
| (noun) painful expectation | Synonyms: misgiving |
| (noun) fearful expectation or anticipation | Synonyms: apprehensiveness, dread |
| apprehensive | (adjective) in fear or dread of possible evil or harm | - |
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| (adjective) quick to understand | Synonyms: discerning |
| (adjective) mentally upset over possible misfortune or danger etc | Synonyms: worried |
| apprehensively | (adverb) with anxiety or apprehension | Synonyms: anxiously, uneasily |
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| apprehensiveness | (noun) fearful expectation or anticipation | Synonyms: apprehension, dread |
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| apprentice | (noun) works for an expert to learn a trade | Synonyms: learner, prentice |
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| (verb) be or work as an apprentice | - |
| apprenticed | (adjective) bound by contract | Synonyms: articled, bound, indentured |
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| apprenticeship | (noun) the position of apprentice | - |
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| appressed | (adjective) pressed close to or lying flat against something | Synonyms: adpressed |
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| apprisal | (noun) informing by words | Synonyms: notification, telling |
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| apprise | (verb) increase the value of | Synonyms: appreciate, apprize |
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| (verb) gain in value | Synonyms: appreciate, apprize, revalue |
| (verb) inform (somebody) of something | Synonyms: advise, apprize, give notice, notify, send word |
| (verb) make aware of | Synonyms: apprize, instruct |
| apprize | (verb) increase the value of | Synonyms: appreciate, apprise |
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| (verb) gain in value | Synonyms: appreciate, apprise, revalue |
| (verb) make aware of | Synonyms: apprise, instruct |
| (verb) inform (somebody) of something | Synonyms: advise, apprise, give notice, notify, send word |
| appro | (noun) an informal British abbreviation of approval | - |
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| approach | (noun) the act of drawing spatially closer to something | Synonyms: approaching, coming |
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| (noun) a relatively short golf shot intended to put the ball onto the putting green | Synonyms: approach shot |
| (noun) ideas or actions intended to deal with a problem or situation | Synonyms: attack, plan of attack |
| (noun) a way of entering or leaving | Synonyms: access |
| (noun) the temporal property of becoming nearer in time | Synonyms: approaching, coming |
| (noun) a close approximation | - |
| (noun) a tentative suggestion designed to elicit the reactions of others | Synonyms: advance, feeler, overture |
| (noun) the event of one object coming closer to another | Synonyms: approaching |
| (noun) the final path followed by an aircraft as it is landing | Synonyms: approach path, glide path, glide slope |
| (verb) make advances to someone, usually with a proposal or suggestion | - |
| (verb) move towards | Synonyms: come near, come on, draw close, draw near, go up, near |
| (verb) come near in time | Synonyms: come near |
| (verb) begin to deal with | Synonyms: go about, set about |
| (verb) come near or verge on, resemble, come nearer in quality, or character | Synonyms: border on |
| approachability | (noun) the attribute of being easy to meet or deal with | Synonyms: accessibility |
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| approachable | (adjective) easy to meet or converse or do business with | - |
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| (adjective) easily approached | Synonyms: reachable |
| (adjective) capable of being read with comprehension | Synonyms: accessible |
| approaching | (adjective) of the relatively near future | Synonyms: coming, forthcoming, upcoming |
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| (noun) the act of drawing spatially closer to something | Synonyms: approach, coming |
| (noun) the temporal property of becoming nearer in time | Synonyms: approach, coming |
| (noun) the event of one object coming closer to another | Synonyms: approach |
| approbate | (verb) accept (documents) as valid | - |
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| (verb) approve or sanction officially | - |
| approbation | (noun) official recognition or approval | - |
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| (noun) official approval | - |
| approbative | (adjective) expressing or manifesting praise or approval | Synonyms: affirmative, approbatory, approving, plausive |
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| approbatory | (adjective) expressing or manifesting praise or approval | Synonyms: affirmative, approbative, approving, plausive |
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| appropriable | (adjective) that can be appropriated | - |
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| appropriate | (adjective) suitable for a particular person or place or condition etc | - |
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| (adjective) meant or adapted for an occasion or use | Synonyms: suitable, suited |
| (verb) give or assign a resource to a particular person or cause | Synonyms: allow, earmark, reserve, set aside |
| (verb) take possession of by force, as after an invasion | Synonyms: capture, conquer, seize |
| appropriately | (adverb) in accordance with what is appropriate or suitable for the circumstances | Synonyms: befittingly, duly, fitly, fittingly, properly, suitably |
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| appropriateness | (noun) the quality of being specially suitable | - |
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| (noun) appropriate conduct; doing the right thing | Synonyms: rightness |
| appropriation | (noun) a deliberate act of acquisition of something, often without the permission of the owner | - |
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| (noun) incorporation by joining or uniting | Synonyms: annexation |
| (noun) money set aside (as by a legislature) for a specific purpose | - |
| appropriative | (adjective) of or relating to or given to the act of taking for yourself | - |
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| appropriator | (noun) someone who takes for his or her own use (especially without permission) | - |
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| approval | (noun) the formal act of approving | Synonyms: approving, blessing |
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| (noun) a message expressing a favorable opinion | Synonyms: commendation |
| (noun) a feeling of liking something or someone good | - |
| (noun) acceptance as satisfactory | Synonyms: favorable reception, favourable reception |
| approve | (verb) judge to be right or commendable; think well of | - |
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| (verb) give sanction to | Synonyms: O.K., okay, sanction |
| approved | (adjective) established by authority; given authoritative approval | Synonyms: sanctioned |
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| approver | (noun) an authority with power to approve | - |
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| approving | (adjective) expressing or manifesting praise or approval | Synonyms: affirmative, approbative, approbatory, plausive |
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| (noun) the formal act of approving | Synonyms: approval, blessing |
| approvingly | (adverb) in an approving manner | - |
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| approximate | (adjective) located close together | Synonyms: close together |
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| (adjective) very close in resemblance | Synonyms: near |
| (adjective) not quite exact or correct | Synonyms: approximative, rough |
| (verb) judge tentatively or form an estimate of (quantities or time) | Synonyms: estimate, gauge, guess, judge |
| (verb) be close or similar | Synonyms: come close |
| approximately | (adverb) (of quantities) imprecise but fairly close to correct | Synonyms: about, around, close to, just about, more or less, or so, roughly, some |
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| approximation | (noun) the act of bringing near or bringing together especially the cut edges of tissue | Synonyms: bringing close together |
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| (noun) the quality of coming near to identity (especially close in quantity) | - |
| (noun) an approximate calculation of quantity or degree or worth | Synonyms: estimate, estimation, idea |
| (noun) an imprecise or incomplete account | - |
| approximative | (adjective) not quite exact or correct | Synonyms: approximate, rough |
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| apractic | (adjective) having uncoordinated muscular movements, symptomatic of a CNS disorder | Synonyms: apraxic |
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| apraxia | (noun) inability to make purposeful movements | - |
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| apraxic | (adjective) having uncoordinated muscular movements, symptomatic of a CNS disorder | Synonyms: apractic |
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| apricot | (noun) a shade of pink tinged with yellow | Synonyms: peach, salmon pink, yellowish pink |
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| (noun) downy yellow to rosy-colored fruit resembling a small peach | - |
| (noun) Asian tree having clusters of usually white blossoms and edible fruit resembling the peach | Synonyms: apricot tree |
| apriorism | (noun) belief in a priori principles or reasoning; specifically : the doctrine that knowledge rests upon principles that are self-evident to reason or are presupposed by experience in general. | - |
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| apron | (noun) a garment of cloth or leather or plastic that is tied about the waist and worn to protect your clothing | - |
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| (noun) a paved surface where aircraft stand while not being used | - |
| (noun) the part of a modern theater stage between the curtain and the orchestra (i.e., in front of the curtain) | Synonyms: forestage, proscenium |
| (noun) (golf) the part of the fairway leading onto the green | - |
| apropos | (adjective) of an appropriate or pertinent nature | - |
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| (adverb) at an opportune time | Synonyms: seasonably, timely, well-timed |
| (adverb) introducing a different topic | Synonyms: by the bye, by the way, incidentally |
| archbishopric | (noun) the territorial jurisdiction of an archbishop | - |
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| archpriest | (noun) a senior clergyman and dignitary | Synonyms: hierarch, high priest, prelate, primate |
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| azathioprine | (noun) an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ | Synonyms: Imuran |
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| bedspread | (noun) decorative cover for a bed | Synonyms: bed cover, bed covering, bedcover, counterpane, spread |
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| bedspring | (noun) (usually in the plural) one of the springs holding up the mattress of a bed | - |
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| besprent | (adjective) sprinkled over | - |
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| besprinkle | (verb) scatter with liquid; wet lightly | Synonyms: sparge, sprinkle |
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| biprism | (noun) an optical device for obtaining interference fringes | - |
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| bishopric | (noun) the territorial jurisdiction of a bishop | Synonyms: diocese, episcopate |
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| bishopry | (noun) the office and dignity of a bishop | Synonyms: episcopate |
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| blueprint | (noun) photographic print of plans or technical drawings etc. | - |
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| (noun) something intended as a guide for making something else | Synonyms: design, pattern |
| (verb) make a blueprint of | Synonyms: draft, draught |
| bombproof | (adjective) able to resist the explosive force of bombs and shells | Synonyms: shellproof |
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| (noun) a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids | Synonyms: air-raid shelter, bomb shelter |
| (verb) make safe against bombings | - |
| bowsprit | (noun) a spar projecting from the bow of a vessel | - |
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| bulletproof | (adjective) not penetrable by bullets | - |
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| (adjective) without flaws or loopholes | Synonyms: ironclad, unassailable, unshakable, watertight |
| (verb) make bulletproof | - |
| burglarproof | (adjective) secure against burglary | - |
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| byproduct | (noun) a product made during the manufacture of something else | Synonyms: by-product, spin-off |
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| (noun) a secondary and sometimes unexpected consequence | Synonyms: by-product |
| capriccio | (noun) an instrumental composition that doesn't adhere to rules for any specific musical form and is played with improvisation | - |
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| caprice | (noun) a sudden desire | Synonyms: impulse, whim |
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| capricious | (adjective) determined by chance or impulse or whim rather than by necessity or reason | Synonyms: impulsive, whimsical |
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| (adjective) changeable | Synonyms: freakish |
| capriciously | (adverb) in a capricious manner | - |
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| (adverb) unpredictably | Synonyms: freakishly |
| capriciousness | (noun) the trait of acting unpredictably and more from whim or caprice than from reason or judgment | Synonyms: arbitrariness, flightiness, whimsey, whimsicality, whimsy |
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| (noun) the quality of being guided by sudden unpredictable impulses | Synonyms: unpredictability |
| caprifig | (noun) wild variety of the common fig used to facilitate pollination of certain figs | Synonyms: Ficus carica sylvestris |
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| caprimulgid | (noun) mainly crepuscular or nocturnal nonpasserine birds with mottled greyish-brown plumage and large eyes; feed on insects | Synonyms: goatsucker, nightjar |
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| caprine | (adjective) being or pertaining to or resembling a goat or goats | - |
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| capriole | (noun) (dressage) a vertical jump of a trained horse with a kick of the hind legs at the top of the jump | - |
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| (noun) a playful leap or hop | Synonyms: caper |
| (verb) perform a capriole, in ballet | - |
| (verb) perform a capriole, of horses in dressage | - |
| captopril | (noun) a drug (trade name Capoten) that blocks the formation of angiotensin in the kidneys resulting in vasodilation; used in the treatment of hypertension and congestive heart failure | Synonyms: Capoten |
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| childproof | (verb) make safe against children | Synonyms: child-proof |
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