| abandonment | (noun) withdrawing support or help despite allegiance or responsibility | Synonyms: defection, desertion |
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| (noun) the voluntary surrender of property (or a right to property) without attempting to reclaim it or give it away | - |
| (noun) the act of giving something up | Synonyms: desertion, forsaking |
| abarticulation | (noun) dislocation of a joint | - |
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| 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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| abatement | (noun) the act of abating | - |
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| (noun) an interruption in the intensity or amount of something | Synonyms: hiatus, reprieve, respite, suspension |
| 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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| abator | (noun) a person who abates a nuisance | - |
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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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| abattoir | (noun) a building where animals are butchered | Synonyms: butchery, shambles, slaughterhouse |
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| abbot | (noun) the superior of an abbey of monks | Synonyms: archimandrite |
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| abbreviation | (noun) shortening something by omitting parts of it | - |
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| (noun) a shortened form of a word or phrase | - |
| abbreviator | (noun) one who shortens or abridges or condenses a written work | Synonyms: abridger |
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| abdication | (noun) a formal resignation and renunciation of powers | Synonyms: stepping down |
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| (noun) the act of abdicating | Synonyms: stepping down |
| abdicator | (noun) one who formally relinquishes an office or responsibility | - |
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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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| abducent | (noun) a small motor nerve supplying the lateral rectus muscle of the eye | Synonyms: abducens, abducens nerve, abducent nerve, nervus abducens, sixth cranial nerve |
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| abduction | (noun) the criminal act of capturing and carrying away by force a family member; if a man's wife is abducted it is a crime against the family relationship and against the wife | - |
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| (noun) (physiology) moving of a body part away from the central axis of the body | - |
| abductor | (noun) a muscle that draws a body part away from the median line | Synonyms: abductor muscle |
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| (noun) someone who unlawfully seizes and detains a victim (usually for ransom) | Synonyms: kidnaper, kidnapper, snatcher |
| aberrant | (noun) one whose behavior departs substantially from the norm of a group | - |
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| aberration | (noun) an optical phenomenon resulting from the failure of a lens or mirror to produce a good image | Synonyms: distortion, optical aberration |
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| (noun) a disorder in one's mental state | - |
| (noun) a state or condition markedly different from the norm | Synonyms: aberrance, aberrancy, deviance |
| 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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| abetment | (noun) the verbal act of urging on | Synonyms: abettal, instigation |
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| abettal | (noun) the verbal act of urging on | Synonyms: abetment, instigation |
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| abetter | (noun) one who helps or encourages or incites another | Synonyms: abettor |
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| abettor | (noun) one who helps or encourages or incites another | Synonyms: abetter |
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| ability | (noun) the quality of being able to perform; a quality that permits or facilitates achievement or accomplishment | - |
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| (noun) possession of the qualities (especially mental qualities) required to do something or get something done | Synonyms: power |
| abiogenist | (noun) a believer in abiogenesis | - |
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| abiotrophy | (noun) a loss of vitality and a degeneration of cells and tissues not due to any apparent injury | - |
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| abjection | (noun) a low or downcast state | Synonyms: abasement, degradation |
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| abjuration | (noun) a disavowal or taking back of a previous assertion | Synonyms: recantation, retraction |
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| ablactation | (noun) the act of substituting other food for the mother's milk in the diet of a child or young mammal | Synonyms: weaning |
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| (noun) the cessation of lactation | - |
| ablation | (noun) surgical removal of a body part or tissue | Synonyms: cutting out, excision, extirpation |
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| (noun) the erosive process that reduces the size of glaciers | - |
| ablative | (noun) the case indicating the agent in passive sentences or the instrument or manner or place of the action described by the verb | Synonyms: ablative case |
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| ablaut | (noun) a vowel whose quality or length is changed to indicate linguistic distinctions (such as sing sang sung song) | - |
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| ablution | (noun) the ritual washing of a priest's hands or of sacred vessels | - |
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| abnegation | (noun) renunciation of your own interests in favor of the interests of others | Synonyms: denial, self-abnegation, self-denial, self-renunciation |
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| (noun) the denial and rejection of a doctrine or belief | - |
| abnegator | (noun) one who gives up or relinquishes or renounces something | - |
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| abnormality | (noun) behavior that breaches the rule or etiquette or custom or morality | Synonyms: irregularity |
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| (noun) marked strangeness as a consequence of being abnormal | Synonyms: freakishness |
| (noun) retardation sufficient to fall outside the normal range of intelligence | Synonyms: mental defectiveness |
| (noun) an abnormal physical condition resulting from defective genes or developmental deficiencies | Synonyms: abnormalcy |
| abolishment | (noun) the act of abolishing a system or practice or institution (especially abolishing slavery) | Synonyms: abolition |
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| abolition | (noun) the act of abolishing a system or practice or institution (especially abolishing slavery) | Synonyms: abolishment |
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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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| abomination | (noun) an action that is vicious or vile; an action that arouses disgust or abhorrence | - |
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| (noun) hate coupled with disgust | Synonyms: abhorrence, detestation, execration, loathing, odium |
| (noun) a person who is loathsome or disgusting | - |
| abominator | (noun) one who hates or loathes | Synonyms: loather |
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| abort | (noun) the act of terminating a project or procedure before it is completed | - |
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| aborticide | (noun) the act of destroying a fetus | Synonyms: feticide |
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| (noun) a drug (or other chemical agent) that causes abortion | Synonyms: abortifacient, abortion-inducing drug |
| abortifacient | (noun) a drug (or other chemical agent) that causes abortion | Synonyms: aborticide, abortion-inducing drug |
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| abortion | (noun) termination of pregnancy | - |
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| (noun) failure of a plan | Synonyms: miscarriage |
| 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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| abradant | (noun) a tool or machine used for wearing down or smoothing or polishing | Synonyms: abrader |
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| (noun) a substance that abrades or wears down | Synonyms: abrasive, abrasive material |
| abreaction | (noun) (psychoanalysis) purging of emotional tensions | Synonyms: catharsis, katharsis |
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| abridgement | (noun) a shortened version of a written work | Synonyms: abridgment, capsule, condensation |
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| abridgment | (noun) a shortened version of a written work | Synonyms: abridgement, capsule, condensation |
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| abrogation | (noun) the act of abrogating; an official or legal cancellation | Synonyms: annulment, repeal |
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| abrogator | (noun) an authority or official empowered to abolish or annul or repeal | - |
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| abruption | (noun) an instance of sudden interruption | Synonyms: breaking off |
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| 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 |
| abscondment | (noun) the act of running away secretly (as to avoid arrest) | Synonyms: decampment |
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| 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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| absorbate | (noun) a material that has been or is capable of being absorbed | - |
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| absorbent | (noun) a material having capacity or tendency to absorb another substance | Synonyms: absorbent material |
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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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| 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 |
| abutment | (noun) a masonry support that touches and directly receives thrust or pressure of an arch or bridge | - |
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| (noun) point of contact between two objects or parts | - |
| abutter | (noun) the owner of contiguous property | - |
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| abvolt | (noun) a unit of potential equal to one-hundred-millionth of a volt | - |
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| abwatt | (noun) a power unit equal to the power dissipated when 1 abampere flows across a potential difference of 1 abvolt (one ten-thousandth of a milliwatt) | - |
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| acantha | (noun) any sharply pointed projection | Synonyms: spine, spur |
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| acanthion | (noun) the craniometric point at the anterior extremity of the intermaxillary suture | - |
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| acanthocephalan | (noun) any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines | Synonyms: spiny-headed worm |
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