| Term | Definition |
| Abjure | v. promise or swear to give up (a claim, an opinion, a belief, etc); renounce formally, recant, repudiate under oath |
| Adjuration | Solemn urging |
| Abdicate | v. resign from or formally renounce the throne |
| Abrogate | v. cancel, repeal or annul (sth) |
| Abeyance | n. suspended action |
| Abstruse | adj. difficult to understand |
| Affront | n. ~ (to sb/sth) deliberately insulting or disrespectful remark, action, etc, esp in public |
| Agog | adj. eager, excited |
| Allegory | : n. story, painting or description in which the characters and events are meant as symbols of purity, truth, patience, etc , |
| Allay | v. make (sth) less; relieve |
| Ambush | : n. waiting in a hidden position to make a surprise attack, hunt by stalking. |
| Amnesty | n. general pardon, esp for offences against the State |
| Amok | adv. run amok rush about in a wild and angry frenzy |
| Analgesia | n. loss of ability to feel pain while still conscious |
| Anathema | n. detested person or thing; curse |
| Animadversion | n. criticism |
| Anneal | v. make tough by cooling slowly after heating |
| Annals | n. story of events year by year; historical records |
| Anodyne | n, adj that can relieve pain |
| Anthropomorphic | adj. treating gods, animals, etc as human in form and personality , |
| Aphorism | n. short wise saying; maxim ; |
| Apothecary | n. person who prepares and sells medicines and medical goods |
| Apostate | n. person who renounces his former beliefs, etc |
| Apoplexy | n. sudden inability to feel or move, caused by the blockage or rupture of an artery in the brain , |
| Apothegm | pithy, compact saying |
| Apotheosis | n. (of a human being) making or becoming a god or a sain |
| Appurtenances | a secondary or less significant thing or part |
| Argot | n. words and phrases used by a particular group and not intended to be understood by others; cant ; |
| Arraign | v. ~ sb (law ) bring a criminal charge against sb; bring sb to court for trial |
| Asperity | n. harshness or severity, esp of manner |
| Assail | v. ~ sb (fml ) attack sb violently or repeatedly |
| Assay | n. testing of esp metals for quality |
| Array | v. place (esp armed forces, troops, etc) in battle order |