| A | B |
| abash | to humiliate |
| abate | to lessen |
| abdicate | to formally give up a position |
| aberration | departure from the normal; abnormality |
| abet | to encourage |
| abhor | to hate |
| abide | to follow or put up with |
| abject | utterly hopeless; miserable |
| abjure | to give up (rights); to deny |
| ablution | washing or cleansing the body as part of a religious rite |
| abnegate | to deny privilege to |
| aboriginal | the first of its kind in a region |
| abortive | unsuccessful or fruitless |
| abrade | to wear away or rub off; to wear down in spirit |
| abrogate | cancel; nullify |
| abscond | to depart secretly, especially to avoid criminal charges |
| absolve | to free from blame or responsibility |
| abstemious | to be moderate, especialy in eating and drinking |
| abstinence | self-denial; voluntary restraint |
| abstruse | complexand difficult to comprehend |