| A | B |
| archipelago n. | Any large body of water studded with islands, or the islands collectively themselves. |
| ardent adj. | Burning with passion. |
| ardor n. | Intensity of passion or affection. |
| arid adj | Very dry. |
| aristocracy n. | A hereditary nobility |
| aristocrat n. | A hereditary noble or one nearly connected with nobility. |
| armada n | A fleet of war-vessels. |
| armful n | As much as can be held in the arm or arms. |
| armory n. | An arsenal. |
| aroma n. | An agreeable odor. |
| arraign v. | To call into court, as a person indicted for crime, and demand whether he pleads guilty or not. |
| arrange v. | To put in definite or proper order. |
| arrangement n. | . The act of putting in proper order, or the state of being put in order. |
| arrant adj. | Notoriously bad. |
| arrear n. | Something overdue and unpaid. |
| arrival n. | A coming to stopping-place or destination. |
| arrogant adj | Unduly or excessively proud, as of wealth, station, learning, etc. |
| arrogate v. | To take, demand, or claim, especially presumptuously or without reasons or grounds. |
| Artesian well n. | A very deep bored well. water rises due to underground pressure |
| artful adj. | Characterized by craft or cunning. |
| Arthurian adj. | Pertaining to King Arthur, the real or legendary hero of British poetic story. |
| artifice n | Trickery. |
| artless adj. | Ingenuous. |
| ascendant adj. | Dominant. |
| ascension n. | The act of rising. |
| ascent n. | A rising, soaring, or climbing. |
| ascetic adj. | Given to severe self-denial and practicing excessive abstinence and devotion |
| ascribe v | To assign as a quality or attribute |
| asexual adj. | Having no distinct sexual organs. |
| ashen adj. | Pale. |
| askance adv. | With a side or indirect glance or meaning. |
| asperity n. | Harshness or roughness of temper. |
| aspirant n. | . One who seeks earnestly, as for advancement, honors, place |
| aspiration n. | An earnest wish for that which is above one's present reach. |
| aspire v. | To have an earnest desire, wish, or longing, as for something high and good, not yet attained. |
| assailant n. | One who attacks. |
| assassin n. | One who kills, or tries to kill, treacherously or secretly. |
| assassinate v | . To kill, as by surprise or secret assault, especially the killing of some eminent person. |
| assassination n. | Murderer, as by secret assault or treachery |
| assay n. | The chemical analysis or testing of an alloy ore. |
| assent v. | To express agreement with a statement or matter of opinion. |
| assess v. | To determine the amount of (a tax or other sum to be paid). |
| assessor n. | An officer whose duty it is to assess taxes. |
| assets n. pl. | Property in general, regarded as applicable to the payment of debts. |
| assiduous adj. | Diligent. |
| assignee n. | One who is appointed to act for another in the management of certain property and interests. |
| assimilate v. | To adapt. |
| assonance n. | Resemblance or correspondence in sound. |
| assonant adj. | Having resemblance of sound. |
| assonate v. | To accord in sound, especially vowel sound. |
| assuage v. | To cause to be less harsh, violent, or severe, as excitement, appetite, pain, or disease. |
| astringent adj. | Harsh in disposition or character. |
| astute adj. | Keen in discernment. |