| A | B |
|---|
| apotheosis | elevation to godhood; an ideal example of something |
| appall | dismay; shock |
| apparatus | equipment |
| apparition | ghost; phantom |
| appellation | name; title |
| append | attach |
| application | diligent attention |
| apposite | appropriate; fitting |
| appraise | estimate value of |
| appreciate | be thankful for; increase in worth |
| apprehend | arrest; dread; perceive |
| apprenticeship | time spent as a novice learning a trade from a skilled worker |
| apprise | inform |
| approbation | approval |
| appropriate | acquire; take possession of for one's own use |
| apropos | with reference to; regarding |
| aptitude | fitness; talent |
| aquatic | pertaining to water |
| aquiline | curved hooked |
| arbiter | a person with power to decide a dispute |
| arbitrator | judge |
| arboretum | place where different tree varieties are exhibited |
| arcade | a covered passageway, usually aligned with shops |
| arcane | secret; mysterious; known only to the initiated |
| archaeology | study of artifacts and relics of early mankind |
| archetype | prototype; primitive pattern |
| archipelago | group of closely located islands |
| archives | public records; place where public records are kept |
| arduous | hard; strenuous |
| aria | operatic solo |
| arid | dry; barren |
| aristocracy | hereditary noblility ; privileged class |
| armada | fleet of warships |
| aromatic | fragrant |
| arousal | awakening; provocation |
| arraign | charge in court; indict |
| array | marshal; draw up in order |
| array | clothe; adorn |
| arrears | being in debt |
| arrest | stop or slow down; catch someone's attention |
| arroyo | gully |
| arsenal | storage place for military equipment |
| artifice | deception; trickery |
| artless | without guile; open and honest |
| ascertain | find out for certain |
| ascribe | refer; attribute; assign |
| aseptic | preventing infection |
| ashen | ashcolored |
| asinine | stupid |
| askance | with a sideways or indirect look |
| askew | crookedly; slanted or at an angle |
| asperity | sharpness of temper |
| aspersion | slander; slur; derogatory remark |
| aspirant | seeker after position or status |
| assail | assault |
| assay | analyze; evacuate |
| assent | agree; accept |
| assert | declare or state with confidence |
| assessment | evaluation; judgement |
| assimilate | absorb; cause to become homogeneous |
| assumption | something taken for granted |
| assurance | promise or pledge; certainty |
| asteroid | small planet |
| astigmatism | eye defect that prevents proper focus |
