| A | B |
| abase (A/AN without + BASE) | to lower, demean, degrade |
| abate (AB away + -ATE cause) | to lessen, to reduce in severity |
| abduct (AB away + DUCT lead) | to kidnap |
| abeyance | a state of suspension or temporary inaction |
| abide (A/AD to + BIDE) | to put up with, tolerate |
| abnegate (AB away + NEGATE) | to renounce (a right or privilege). |
| abscess | a collection of pus in a cavity formed within some tissue of the body. |
| abscission (AB away + SCISS cut) | the act of cutting off, as in a surgical operation. |
| abstemious (AB away) | characterized by self denial or abstinence, as in the use of drink, food. |
| abundant | in great numbers |
| abut | to touch at a boundary line. |
| accede (AC/AD to + CEDE go) | to agree |
| accentuate | to emphasize, to highlight |
| accost | to confront boldly; to solicit for sexual services |
| acme (ACRO high) | the highest point, or summit. |
| actuate (ACT do + -ATE cause) | to move or incite to action. |
| acute (ACR sharp) | sharp, severe |
| addle | to make or become confused (verb); mentally confused (adjective) |
| adduce (AD to + DUCT lead) | to bring forward or name for consideration. |
| adjuration (AD to + JUR swear) | a vehement appeal. |
| ado (A/AN not + DO) | unnecessary activity or ceremony. |
| adroit | having skill in the use of the bodily or mental powers. |
| adverse (AD to + VERT/VERSE turn) | opposing or opposed. |
| aggrandize | to increase or make greater |
| aggregate (AG/AD to + GREG group) | to gather, amass |