- apothegm: pithy, compact saying
- apotheosis: n. (of a human being) making or becoming a god or a sain; model of excellence
- appall: shock or dismay
- appease: v. make quiet or calm, usu by making concessions or by satisfying demands
- appellation: n. name or title; system of naming ;
- append: v. attach or add something
- apposite: adj. ~ (of a remark, etc) very appropriate (for a purpose or an occasion)
- appraise: v. assess the value or quality of
- apprehend: v. seize (sb); arrest
- apprehensive: adj. ~ ~ (that.../for sb/sth) feeling anxiety; fearful; uneasy
- apprise: v. ~ sb of sth inform sb of sth
- approbation: n. approval; consent
- appurtenances: a secondary or less significant thing or part; gear accessories equipment
- apropos: adv, adj appropriate or relevant to what is being said or done
- aquiline: adj. of or like an eagle
- arable: n. , adj suitable for ploughing and for growing crops
- arbiter: n. ~ person who has power to decide what will be done, accepted, etc with regard to sth
- arbitrary: adj. based on personal opinion or impulse, not on reason; randomly chosen; subjective/based on personal reason; capricious; unreasonable
- arbitrate: v. ~ (between A and B) make a judgement about or settle (a dispute) between two parties (usu when asked by them to do so)
- arboreal: adj. of or living in trees
- arboretum: n. place where trees are grown for scientific study or for display
- arcade: n. covered passage or area, esp one with an arched roof and shops along one or both sides
- arcane: requiring secret or mysterious knowledge
- arch: comb form chief; most important
- archaeology: n. study of ancient civilizations by scientific analysis of physical remains found in the ground
- archaic: adj. of a much earlier or an ancient period in history
- archetype: n. original or ideal model from which others are copied; prototype ;
- archipelago: n. (sea surrounding a) group of many islands
- archives: n. historical documents or records of a government, town, etc
- ardor: extreme vigor or energy:INTENSITY
- arduous: adj. needing much effort or energy; laborious
- argot: n. words and phrases used by a particular group and not intended to be understood by others; cant ;
- aria: n. song for one voice, esp in an opera or oratorio
- arid: adj. having little or no rainfall; dry
- aristocracy: n. highest social class; the nobility
- armada: n. large fleet of ships
- aromatic: adj. having a pleasant, distinctive smell; fragrant
- arraign: v. ~ sb (law ) bring a criminal charge against sb; bring sb to court for trial
- array: v. place (esp armed forces, troops, etc) in battle order; clothing; arrangement
- arrears: n. money that is owed and should have been paid earlier
- arrhythmic: lacking rhythm or regularity
- arrogance: a feeling or an impression of superiority manifested in an overbearing manner or presumptuous claims
- arroyo: a brook; a creek a water-carved gully or channel
- arsenal: n. place where weapons and ammunition are made or stored
- artery: n. any of the tubes carrying blood from the heart to all parts of the body
- artful: adj. cunningly clever at getting what one wants; crafty
- articulate: adj. able to express one's ideas clearly in words
- artifacts: something created by humans usually for a practical purpose; especially :an object remaining from a particular period
- artifice: n. clever trickery; deception
- artisan: a manually skilled worker
- artless: adj. simple and natural; without deceit
- ascendancy: n. ~ (position of) having dominant power or control
- ascertain: v. discover (sth) so that one is certain; get to know
- ascetic: adj. not allowing oneself pleasures and comforts; having or involving a very austere life
- ascribe: v. ~ sth to sb/sth consider sth to be caused by, written by or belonging to sb/sth
- aseptic: adj. free from bacteria that cause a thing to become septic; surgically clean
- ashen: adj. like ashes in colour; very pale
- asinine: adj. stupid or stubborn
- askance: adv. sideways glance/look
- askew: adj. , adv not in a straight or level position; crooked
- asperity: n. harshness or severity, esp of manner
- aspersion: slanderous remark
- aspiration: n. ~ ~ (to do sth) strong desire or ambition
- aspire: v. ~ after/to sth desire strongly to achieve sth; have ambition for sth
- assail: v. ~ sb (fml ) attack sb violently or repeatedly
- assay: n. testing of esp metals for quality; analysis
- assent: n. ~ (fml ) agreement; approval
- assert: v. make others recognize (sth) by behaving firmly and confidently
- assessment: n. action of assessing
- assiduous: adj. showing constant and careful attention
- assimilate: v. (cause sth to) become absorbed into the body after digestion
- assuage: v. make (sth) less severe; soothe
- assumption: n. thing accepted as true or as sure to happen, but not proved
- assurance: n. confident belief in one's own abilities and powers
- asteroid: n. any of many small planets revolving round the sun, esp between the orbits of Mars and Jupiter
- astigmatism: n. defect in an eye or a lens that prevents correct focusing