| Term | Definition |
| abate | to lessen to subside |
| abdication | giving up control authority |
| aberration | straying away from what is normal |
| abet | help/encourage smb (in doing wrong) |
| abeyance | suspended action |
| abhor | to hate to detest |
| abide | be faithful to endure |
| abjure | promise or swear to give up |
| abraded | rubbed off worn away by friction |
| abrogate | repeal or annul by authority |
| abscond | to go away suddenly (to avoid arrest) |
| abstruse | difficult to comprehend obscure |
| abut | border on |
| abysmal | bottomless extreme |
| acarpous | effete no longer fertile worn out |
| acclaimed | welcomed with shouts and approval |
| accolade | praise approval |
| accretion | the growing of separate things into one |
| accrue | accumulate |
| adamant | kind of stone inflexible |
| admonitory | containing warning |
| adorn | add beauty decorate |
| adulteration | making unpure poorer in quality |
| affable | polite and friendly |
| affinity | close connection relationship |
| aggravate | make worse irritate |
| agile | active quick-moving |
| agog | eager/excited |
| ail | trouble be ill |
| alacrity | eager and cheerful readiness |
| alcove | recess/partially enclosed place |
| ale | fermented alcoholic beverage similar to but heavier than beer |
| aleck | one who considers himself smarter than others |
| allegiance | duty support loyalty |
| alleviate | make (pain) easier to bear |
| alloy | to debase by mixing with something inferior |