| asseveration | (noun) a declaration that is made emphatically (as if no supporting evidence were necessary) | Synonyms: assertion, averment |
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| asseverator | (noun) someone who claims to speak the truth | Synonyms: affirmer, asserter, avower, declarer |
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| asshole | (noun) vulgar slang for anus | Synonyms: arse, arsehole, bunghole |
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| (noun) insulting terms of address for people who are stupid or irritating or ridiculous | Synonyms: bastard, cocksucker, dickhead, mother fucker, motherfucker, prick, shit, SOB, son of a bitch, whoreson |
| assibilation | (noun) pronunciation with a sibilant (hissing or whistling) sound | Synonyms: sibilation |
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| (noun) the development of a consonant phoneme into a sibilant | - |
| assiduity | (noun) great and constant diligence and attention | Synonyms: assiduousness, concentration |
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| assiduousness | (noun) great and constant diligence and attention | Synonyms: assiduity, concentration |
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| assignation | (noun) a secret rendezvous (especially between lovers) | Synonyms: tryst |
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| (noun) the act of distributing by allotting or apportioning; distribution according to a plan | Synonyms: allocation, allotment, apportioning, apportionment, parceling, parcelling |
| assignee | (noun) (law) the party to whom something is assigned (e.g., someone to whom a right or property is legally transferred) | - |
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| assigning | (noun) the act of distributing something to designated places or persons | Synonyms: assignment |
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| assignment | (noun) a duty that you are assigned to perform (especially in the armed forces) | Synonyms: duty assignment |
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| (noun) the act of putting a person into a non-elective position | Synonyms: appointment, designation, naming |
| (noun) the act of distributing something to designated places or persons | Synonyms: assigning |
| (noun) an undertaking that you have been assigned to do (as by an instructor) | - |
| (noun) the instrument by which a claim or right or interest or property is transferred from one person to another | - |
| (noun) (law) a transfer of property by deed of conveyance | Synonyms: grant |
| assignor | (noun) (law) the party who makes an assignment | - |
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| assimilability | (noun) Capability of being taken in and utilized as nourishment. | - |
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| assimilation | (noun) in the theories of Jean Piaget: the application of a general schema to a particular instance | - |
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| (noun) the process of assimilating new ideas into an existing cognitive structure | Synonyms: acculturation |
| (noun) a linguistic process by which a sound becomes similar to an adjacent sound | - |
| (noun) the process of absorbing nutrients into the body after digestion | Synonyms: absorption |
| (noun) the social process of absorbing one cultural group into harmony with another | Synonyms: absorption |
| (noun) the state of being assimilated; people of different backgrounds come to see themselves as part of a larger national family | - |
| assimilator | (noun) someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs | Synonyms: learner, scholar, student |
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| assist | (noun) (sports) the act of enabling another player to make a good play | - |
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| (noun) the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: aid, assistance, help |
| assistance | (noun) the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: aid, assist, help |
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| (noun) a person or thing that is a resource that helps make something easier or possible to do | Synonyms: aid, help |
| (noun) gift of money or other material help to support a person or cause | Synonyms: aid, economic aid, economic assistance, financial aid, financial assistance |
| assistant | (noun) a person who contributes to the fulfillment of a need or furtherance of an effort or purpose | Synonyms: help, helper, supporter |
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| assize | (noun) an ancient writ issued by a court of assize to the sheriff for the recovery of property | - |
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| (noun) the regulation of weights and measures of articles offered for sale | - |
| assizes | (noun) the county courts of England (replaced in 1971 by Crown courts) | Synonyms: court of assize, court of assize and nisi prius |
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| associability | (noun) the capability of being easily associated or joined or connected in thought | Synonyms: associableness |
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| associableness | (noun) the capability of being easily associated or joined or connected in thought | Synonyms: associability |
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| associate | (noun) a degree granted by a two-year college on successful completion of the undergraduates course of studies | Synonyms: associate degree |
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| (noun) any event that usually accompanies or is closely connected with another | - |
| (noun) a person who joins with others in some activity or endeavor | - |
| (noun) a friend who is frequently in the company of another | Synonyms: companion, comrade, familiar, fellow |
| (noun) a person with subordinate membership in a society, institution, or commercial enterprise | - |
| associateship | (noun) the position of associate (as in an office or academy) | - |
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| association | (noun) the act of consorting with or joining with others | - |
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| (noun) the process of bringing ideas or events together in memory or imagination | Synonyms: connection, connexion |
| (noun) a formal organization of people or groups of people | - |
| (noun) (ecology) a group of organisms (plants and animals) that live together in a certain geographical region and constitute a community with a few dominant species | - |
| (noun) (chemistry) any process of combination (especially in solution) that depends on relatively weak chemical bonding | - |
| (noun) a relation resulting from interaction or dependence | - |
| (noun) a social or business relationship | Synonyms: affiliation, tie-up, tie |
| (noun) the state of being connected together as in memory or imagination | - |
| associationism | (noun) (psychology) a theory that association is the basic principle of mental activity | Synonyms: association theory |
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| assonance | (noun) the repetition of similar vowels in the stressed syllables of successive words | Synonyms: vowel rhyme |
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| assortment | (noun) the act of distributing things into classes or categories of the same type | Synonyms: categorisation, categorization, classification, compartmentalisation, compartmentalization |
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| (noun) a collection containing a variety of sorts of things | Synonyms: miscellanea, miscellany, mixed bag, mixture, motley, potpourri, salmagundi, smorgasbord, variety |
| assuagement | (noun) the feeling that comes when something burdensome is removed or reduced | Synonyms: alleviation, relief |
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| assumption | (noun) the act of taking possession of or power over something | Synonyms: laying claim |
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| (noun) the act of assuming or taking for granted | - |
| (noun) audacious (even arrogant) behavior that you have no right to | Synonyms: effrontery, presumption, presumptuousness |
| (noun) a hypothesis that is taken for granted | Synonyms: supposal, supposition |
| (noun) a statement that is assumed to be true and from which a conclusion can be drawn | Synonyms: premise, premiss |
| assurance | (noun) freedom from doubt; belief in yourself and your abilities | Synonyms: authority, confidence, self-assurance, self-confidence, sureness |
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| (noun) a statement intended to inspire confidence | - |
| (noun) a binding commitment to do or give or refrain from something | Synonyms: pledge |
| (noun) a British term for some kinds of insurance | - |
| assuredness | (noun) great coolness and composure under strain | Synonyms: aplomb, cool, poise, sang-froid |
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| astasia | (noun) inability to stand due to muscular incoordination | - |
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| astatine | (noun) a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium | Synonyms: At, atomic number 85 |
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| aster | (noun) star-shaped structure formed in the cytoplasm of a cell having fibers like rays that surround the centrosome during mitosis | - |
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| (noun) any of various chiefly fall-blooming herbs of the genus Aster with showy daisylike flowers | - |
| astereognosis | (noun) a loss of the ability to recognize objects by handling them | Synonyms: tactile agnosia |
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| asterion | (noun) the craniometric point at the junction of the lamboid suture and the occipitomastoid suture and the parietomastoid suture | - |
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| asterisk | (noun) a star-shaped character * used in printing | Synonyms: star |
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| asterism | (noun) (astronomy) a cluster of stars (or a small constellation) | - |
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| (noun) (mineralogy) a star-shaped figure with six rays that is seen in some crystal structures under reflected or transmitted light | - |
| asteroid | (noun) any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter) | - |
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| asthenia | (noun) an abnormal loss of strength | Synonyms: astheny |
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| asthenopia | (noun) a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem | Synonyms: eyestrain |
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| asthenosphere | (noun) the lower layer of the crust | - |
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| astheny | (noun) an abnormal loss of strength | Synonyms: asthenia |
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| asthma | (noun) respiratory disorder characterized by wheezing; usually of allergic origin | Synonyms: asthma attack, bronchial asthma |
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| asthmatic | (noun) a person suffering from asthma | - |
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| astigmatism | (noun) (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point | Synonyms: astigmia |
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| (noun) (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people | Synonyms: astigmia |
| astigmia | (noun) (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point | Synonyms: astigmatism |
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| (noun) (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people | Synonyms: astigmatism |
| astilbe | (noun) any plant of the genus Astilbe having compound leaves and showy panicles of tiny colorful flowers | - |
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| astonishment | (noun) the feeling that accompanies something extremely surprising | Synonyms: amazement |
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| astragal | (noun) a beaded molding for edging or decorating furniture | Synonyms: bead, beading, beadwork |
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| (noun) the bone in the ankle that articulates with the leg bones to form the ankle joint | Synonyms: anklebone, astragalus, talus |
| astragalus | (noun) the bone in the ankle that articulates with the leg bones to form the ankle joint | Synonyms: anklebone, astragal, talus |
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| astrakhan | (noun) the fur of young lambs | - |
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| astrantia | (noun) any plant of the genus Astrantia | Synonyms: masterwort |
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| astraphobia | (noun) a morbid fear of thunder and lightning | - |
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| astringence | (noun) a sharp astringent taste; the taste experience when a substance causes the mouth to pucker | Synonyms: astringency |
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| astringency | (noun) the ability to contract or draw together soft body tissues to check blood flow or restrict secretion of fluids | Synonyms: stypsis |
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| (noun) a sharp astringent taste; the taste experience when a substance causes the mouth to pucker | Synonyms: astringence |
| astringent | (noun) a drug that causes contraction of body tissues and canals | Synonyms: astringent drug, styptic |
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| astrobiology | (noun) the branch of biology concerned with the effects of outer space on living organisms and the search for extraterrestrial life | Synonyms: exobiology, space biology |
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| astrocyte | (noun) comparatively large neuroglial cell | - |
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| astrodome | (noun) a transparent dome on top of an airplane where the navigator can make celestial observations | - |
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| astrodynamics | (noun) the branch of astronomy that studies the motion of natural and artificial bodies in space | - |
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| astrogator | (noun) the navigator of a spacecraft | - |
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| astroglia | (noun) tissue consisting of large stellate neuroglial cells | Synonyms: macroglia |
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| astrolabe | (noun) an early form of sextant | - |
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| astrolatry | (noun) the worship of planets or stars | Synonyms: worship of heavenly bodies |
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| astrologer | (noun) someone who predicts the future by the positions of the planets and sun and Moon | Synonyms: astrologist |
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| astrologist | (noun) someone who predicts the future by the positions of the planets and sun and Moon | Synonyms: astrologer |
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| astrology | (noun) a pseudoscience claiming divination by the positions of the planets and sun and moon | Synonyms: star divination |
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| astrometry | (noun) the branch of astronomy that deals with the measurement of the position and motion of celestial bodies | - |
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| astronaut | (noun) a person trained to travel in a spacecraft | Synonyms: cosmonaut, spaceman |
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| astronautics | (noun) the theory and practice of navigation through air or space | Synonyms: aeronautics |
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| astronavigation | (noun) navigating according to the positions of the stars | Synonyms: celestial navigation |
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| astronomer | (noun) a physicist who studies astronomy | Synonyms: stargazer, uranologist |
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| astronomy | (noun) the branch of physics that studies celestial bodies and the universe as a whole | Synonyms: uranology |
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| astrophysicist | (noun) an astronomer who studies the physical properties of celestial bodies | - |
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| astrophysics | (noun) the branch of astronomy concerned with the physical and chemical properties of celestial bodies | - |
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| astuteness | (noun) intelligence manifested by being astute (as in business dealings) | Synonyms: perspicaciousness, perspicacity, shrewdness |
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| (noun) the intellectual ability to penetrate deeply into ideas | Synonyms: deepness, depth, profoundness, profundity |
| asylum | (noun) a hospital for mentally incompetent or unbalanced person | Synonyms: insane asylum, institution, mental home, mental hospital, mental institution, psychiatric hospital |
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| (noun) a shelter from danger or hardship | Synonyms: refuge, sanctuary |
| asymmetry | (noun) (mathematics) a lack of symmetry | - |
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| asymptote | (noun) a straight line that is the limiting value of a curve; can be considered as tangent at infinity | - |
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| asynchronism | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchrony, desynchronisation, desynchronization, desynchronizing |
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| asynchrony | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchronism, desynchronisation, desynchronization, desynchronizing |
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| asynclitism | (noun) the presentation during labor of the head of the fetus at an abnormal angle | Synonyms: obliquity |
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| asyndeton | (noun) the omission of conjunctions where they would normally be used | - |
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| asynergia | (noun) absence of coordination of organs or body parts that usually work together harmoniously | Synonyms: asynergy |
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| asynergy | (noun) absence of coordination of organs or body parts that usually work together harmoniously | Synonyms: asynergia |
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| asystole | (noun) absence of systole; failure of the ventricles of the heart to contract (usually caused by ventricular fibrillation) with consequent absence of the heart beat leading to oxygen lack and eventually to death | Synonyms: cardiac arrest, cardiopulmonary arrest |
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