| abacus | (noun) a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves | - |
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| (noun) a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave | - |
| abasement | (noun) depriving one of self-esteem | Synonyms: humiliation |
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| (noun) a low or downcast state | Synonyms: abjection, degradation |
| abashment | (noun) feeling embarrassed due to modesty | Synonyms: bashfulness |
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| abasia | (noun) inability to walk | - |
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| abatis | (noun) a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy | Synonyms: abattis |
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| abattis | (noun) a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy | Synonyms: abatis |
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| abbess | (noun) the superior of a group of nuns | Synonyms: mother superior, prioress |
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| abdominocentesis | (noun) centesis of the belly to remove fluid for diagnosis | Synonyms: paracentesis |
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| abdominoplasty | (noun) cosmetic surgery of the abdomen to remove wrinkles and tighten the skin over the stomach | Synonyms: tummy tuck |
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| abdominousness | (noun) the bodily property of a protruding belly | Synonyms: paunchiness |
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| abducens | (noun) a small motor nerve supplying the lateral rectus muscle of the eye | Synonyms: abducens nerve, abducent, abducent nerve, nervus abducens, sixth cranial nerve |
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| abecedarius | (noun) a poem having lines beginning with letters of the alphabet in regular order | - |
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| abelmosk | (noun) bushy herb of tropical Asia grown for its yellow or pink to scarlet blooms that resemble the hibiscus | Synonyms: Abelmoschus moschatus, Hibiscus moschatus, musk mallow |
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| abiogenesis | (noun) a hypothetical organic phenomenon by which living organisms are created from nonliving matter | Synonyms: autogenesis, autogeny, spontaneous generation |
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| abiogenist | (noun) a believer in abiogenesis | - |
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| ableism | (noun) discrimination in favor of the able-bodied | Synonyms: able-bodiedism, able-bodism, ablism |
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| ablism | (noun) discrimination in favor of the able-bodied | Synonyms: able-bodiedism, able-bodism, ableism |
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| abocclusion | (noun) the condition in which the upper teeth do not touch the lower teeth when biting | - |
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| abolishment | (noun) the act of abolishing a system or practice or institution (especially abolishing slavery) | Synonyms: abolition |
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| abolitionism | (noun) the doctrine that calls for the abolition of slavery | - |
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| abolitionist | (noun) a reformer who favors abolishing slavery | Synonyms: emancipationist |
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| abomasum | (noun) the fourth compartment of the stomach of a ruminant; the one where digestion takes place | Synonyms: fourth stomach |
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| abortionist | (noun) a person (who should be a doctor) who terminates pregnancies | - |
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| abortus | (noun) a human fetus whose weight is less than 0.5 kilogram when removed or expelled from the mother's body | - |
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| abrasion | (noun) the wearing down of rock particles by friction due to water or wind or ice | Synonyms: attrition, detrition, grinding |
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| (noun) erosion by friction | Synonyms: attrition, corrasion, detrition |
| (noun) an abraded area where the skin is torn or worn off | Synonyms: excoriation, scrape, scratch |
| abrasive | (noun) a substance that abrades or wears down | Synonyms: abradant, abrasive material |
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| abrasiveness | (noun) the roughness of a substance that causes abrasions | Synonyms: harshness, scratchiness |
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| (noun) the quality of being sharply disagreeable | - |
| abruptness | (noun) the quality of happening with headlong haste or without warning | Synonyms: precipitance, precipitancy, precipitateness, precipitousness, suddenness |
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| (noun) the property possessed by a slope that is very steep | Synonyms: precipitousness, steepness |
| (noun) an abrupt discourteous manner | Synonyms: brusqueness, curtness, gruffness, shortness |
| abscess | (noun) symptom consisting of a localized collection of pus surrounded by inflamed tissue | - |
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| abscissa | (noun) the value of a coordinate on the horizontal axis | - |
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| abscission | (noun) the act of cutting something off | Synonyms: cutting off |
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| (noun) shedding of flowers and leaves and fruit following formation of scar tissue in a plant | - |
| absconder | (noun) a fugitive who runs away and hides to avoid arrest or prosecution | - |
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| abscondment | (noun) the act of running away secretly (as to avoid arrest) | Synonyms: decampment |
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| abseil | (noun) (mountaineering) a descent of a vertical cliff or wall made by using a doubled rope that is fixed to a higher point and wrapped around the body | Synonyms: rappel |
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| abseiler | (noun) a person who descends down a nearly vertical face by using a doubled rope that is wrapped around the body and attached to some high point | Synonyms: rappeller |
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| absence | (noun) failure to be present | - |
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| (noun) the state of being absent | - |
| (noun) the occurrence of an abrupt, transient loss or impairment of consciousness (which is not subsequently remembered), sometimes with light twitching, fluttering eyelids, etc.; common in petit mal epilepsy | Synonyms: absence seizure |
| (noun) the time interval during which something or somebody is away | - |
| absentee | (noun) one that is absent or not in residence | - |
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| absenteeism | (noun) habitual absence from work | - |
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| absentmindedness | (noun) preoccupation so great that the ordinary demands on attention are ignored | - |
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| absinth | (noun) strong green liqueur flavored with wormwood and anise | Synonyms: absinthe |
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| absinthe | (noun) strong green liqueur flavored with wormwood and anise | Synonyms: absinth |
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| (noun) aromatic herb of temperate Eurasia and North Africa having a bitter taste used in making the liqueur absinthe | Synonyms: Artemisia absinthium, common wormwood, lad's love, old man |
| absolute | (noun) something that is conceived or that exists independently and not in relation to other things; something that does not depend on anything else and is beyond human control; something that is not relative | - |
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| absoluteness | (noun) the quality of being absolute | - |
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| (noun) the quality of being complete or utter or extreme | Synonyms: starkness, utterness |
| absolution | (noun) the act of absolving or remitting; formal redemption as pronounced by a priest in the sacrament of penance | Synonyms: remission, remission of sin, remittal |
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| (noun) the condition of being formally forgiven by a priest in the sacrament of penance | - |
| absolutisation | (noun) the process of rendering something absolute or converting it into an absolute. | Synonyms: absolutization |
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| absolutism | (noun) the doctrine of an absolute being, often related to idealism in philosophy. | - |
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| (noun) an ideological belief in the complete and unrestricted power of government. | Synonyms: totalism, totalitarianism |
| (noun) a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.) | Synonyms: authoritarianism, Caesarism, despotism, dictatorship, monocracy, one-man rule, shogunate, Stalinism, totalitarianism, tyranny |
| (noun) dominance through threat of punishment and violence | Synonyms: despotism, tyranny |
| absolutist | (noun) one who advocates absolutism | - |
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| absolutization | (noun) the process of rendering something absolute or converting it into an absolute. | Synonyms: absolutisation |
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| absolver | (noun) someone who grants absolution | - |
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| absorbance | (noun) (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation | Synonyms: optical density, photographic density, transmission density |
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| absorbate | (noun) a material that has been or is capable of being absorbed | - |
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| absorbency | (noun) the property of being absorbent | - |
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| absorbent | (noun) a material having capacity or tendency to absorb another substance | Synonyms: absorbent material |
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| absorber | (noun) (physics) material in a nuclear reactor that absorbs radiation | - |
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| absorptance | (noun) a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber | Synonyms: absorption coefficient, coefficient of absorption |
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| absorption | (noun) the mental state of being preoccupied by something | Synonyms: engrossment, preoccupancy, preoccupation |
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| (noun) complete attention; intense mental effort | Synonyms: concentration, engrossment, immersion |
| (noun) (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid | Synonyms: soaking up |
| (noun) the process of absorbing nutrients into the body after digestion | Synonyms: assimilation |
| (noun) (physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium | - |
| (noun) the social process of absorbing one cultural group into harmony with another | Synonyms: assimilation |
| absorptivity | (noun) (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body | Synonyms: absorption factor |
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| abstainer | (noun) a person who refrains from drinking intoxicating beverages | Synonyms: abstinent, nondrinker |
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| (noun) someone who practices self denial as a spiritual discipline | Synonyms: ascetic |
| abstemiousness | (noun) moderation in eating and drinking | - |
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| (noun) restricted to bare necessities | - |
| abstention | (noun) the trait of abstaining (especially from alcohol) | Synonyms: abstinence |
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| abstinence | (noun) act or practice of refraining from indulging an appetite | - |
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| (noun) the trait of abstaining (especially from alcohol) | Synonyms: abstention |
| abstinent | (noun) a person who refrains from drinking intoxicating beverages | Synonyms: abstainer, nondrinker |
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| abstract | (noun) a concept or idea not associated with any specific instance | Synonyms: abstraction |
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| (noun) a sketchy summary of the main points of an argument or theory | Synonyms: outline, precis, synopsis |
| abstractedness | (noun) preoccupation with something to the exclusion of all else | Synonyms: abstraction |
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| abstracter | (noun) one who makes abstracts or summarizes information | Synonyms: abstractor |
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| abstraction | (noun) a general concept formed by extracting common features from specific examples | Synonyms: abstract entity |
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| (noun) the act of withdrawing or removing something | - |
| (noun) an abstract painting | - |
| (noun) a concept or idea not associated with any specific instance | Synonyms: abstract |
| (noun) preoccupation with something to the exclusion of all else | Synonyms: abstractedness |
| (noun) the process of formulating general concepts by abstracting common properties of instances | Synonyms: generalisation, generalization |
| abstractionism | (noun) an abstract genre of art; artistic content depends on internal form rather than pictorial representation | Synonyms: abstract art |
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| (noun) a representation having no reference to concrete objects or specific examples | Synonyms: unrealism |
| abstractionist | (noun) a painter of abstract pictures | Synonyms: abstract artist |
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| abstractness | (noun) the quality of being considered apart from a specific instance or object | - |
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| abstractor | (noun) one who makes abstracts or summarizes information | Synonyms: abstracter |
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| abstruseness | (noun) the quality of being unclear or abstruse and hard to understand | Synonyms: obscureness, obscurity, reconditeness |
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| (noun) wisdom that is recondite and abstruse and profound | Synonyms: abstrusity, profoundness, profundity, reconditeness |
| abstrusity | (noun) wisdom that is recondite and abstruse and profound | Synonyms: abstruseness, profoundness, profundity, reconditeness |
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| absurd | (noun) a situation in which life seems irrational and meaningless | Synonyms: the absurd |
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| absurdity | (noun) a ludicrous folly | Synonyms: fatuity, fatuousness, silliness |
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| (noun) a message whose content is at variance with reason | Synonyms: absurdness, ridiculousness |
| absurdness | (noun) a message whose content is at variance with reason | Synonyms: absurdity, ridiculousness |
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| abuse | (noun) improper or excessive use | Synonyms: misuse |
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| (noun) cruel or inhumane treatment | Synonyms: ill-treatment, ill-usage, maltreatment |
| (noun) a rude expression intended to offend or hurt | Synonyms: contumely, insult, revilement, vilification |
| abuser | (noun) someone who abuses | Synonyms: maltreater |
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| abysm | (noun) a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively) | Synonyms: abyss |
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| abyss | (noun) a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively) | Synonyms: abysm |
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| academicianship | (noun) the position of member of an honorary academy | - |
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| academicism | (noun) orthodoxy of a scholastic variety | Synonyms: academism, scholasticism |
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| (noun) Purely speculative thoughts and attitudes. | - |
| (noun) a style of painting and sculpture produced under the influence of European academies of art. | Synonyms: academic art, academism |
| academism | (noun) orthodoxy of a scholastic variety | Synonyms: academicism, scholasticism |
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| (noun) a style of painting and sculpture produced under the influence of European academies of art. | Synonyms: academic art, academicism |
| acanthocytosis | (noun) the presence of acanthocytes in the blood stream (as in abetalipoproteinemia) | - |
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| acantholysis | (noun) a breakdown of a cell layer in the epidermis (as in pemphigus) | - |
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| acanthosis | (noun) an abnormal but benign thickening of the prickle-cell layer of the skin (as in psoriasis) | - |
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| acanthus | (noun) any plant of the genus Acanthus having large spiny leaves and spikes or white or purplish flowers; native to Mediterranean region but widely cultivated | - |
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| acariasis | (noun) infestation with itch mites | Synonyms: acaridiasis, acariosis |
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| acaridiasis | (noun) infestation with itch mites | Synonyms: acariasis, acariosis |
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| acariosis | (noun) infestation with itch mites | Synonyms: acariasis, acaridiasis |
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| acarus | (noun) any of several mites of the order Acarina | Synonyms: genus Acarus |
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| acataphasia | (noun) a disorder in which a lesion to the central nervous system leaves you unable to formulate a statement or to express yourself in an organized manner | - |
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| acathexis | (noun) (psychoanalysis) a lack of cathexis; a condition in which significant objects or memories arouse no emotion in an individual | - |
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| acceptableness | (noun) satisfactoriness by virtue of conforming to approved standards | Synonyms: acceptability |
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| access | (noun) the act of approaching or entering | - |
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| (noun) a way of entering or leaving | Synonyms: approach |
| (noun) (computer science) the operation of reading or writing stored information | Synonyms: memory access |
| (noun) the right to enter | Synonyms: accession, admission, admittance, entree |
| (noun) the right to obtain or make use of or take advantage of something (as services or membership) | - |
| (noun) a code (a series of characters or digits) that must be entered in some way (typed or dialed or spoken) to get the use of something (a telephone line or a computer or a local area network etc.) | Synonyms: access code |
| accessary | (noun) someone who helps another person commit a crime | Synonyms: accessory |
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| accessibility | (noun) the quality of being at hand when needed | Synonyms: availability, availableness, handiness |
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| (noun) the attribute of being easy to meet or deal with | Synonyms: approachability |
| accession | (noun) the act of attaining or gaining access to a new office or right or position (especially the throne) | Synonyms: rise to power |
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| (noun) the right to enter | Synonyms: access, admission, admittance, entree |
| (noun) agreeing with or consenting to (often unwillingly) | Synonyms: assenting |
| (noun) something added to what you already have | Synonyms: addition |
| (noun) (civil law) the right to all of that which your property produces whether by growth or improvement | - |
| (noun) a process of increasing by addition (as to a collection or group) | - |
| accessory | (noun) a supplementary component that improves capability | Synonyms: add-on, appurtenance, supplement |
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| (noun) clothing that is worn or carried, but not part of your main clothing | Synonyms: accouterment, accoutrement |
| (noun) someone who helps another person commit a crime | Synonyms: accessary |
| acclimatisation | (noun) adaptation to a new climate (a new temperature or altitude or environment) | Synonyms: acclimation, acclimatization |
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| accompanist | (noun) a person who provides musical accompaniment (usually on a piano) | Synonyms: accompanyist |
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