| A | B |
| antiseptic | a drug or agent capable of destroying microorganisms, especially those germs that produce disease, fermentation, or rot |
| adhesive | tending to hold fast to another material; sticky |
| administer | to give as a remedy or treatment |
| absorb | to take in; soak up |
| adequate | sufficient; enough |
| adept | skillful and effective |
| abnormal | not normal; unusual |
| postpone | to put off until a later time |
| admission | a price charged or paid to enter a place |
| postscript | a message added at the end of a letter, after the writer's signature |
| adviser | a person who offers advice, especially officially or professionally |
| administration | the act of administering |
| abuse | to use improperly; misuse |
| absolve | to clear of blame or guilt |
| absolute | complete; total |
| antonym | a word having a sense opposite to a sense of another word |
| adjustment | the act of adjusting |
| antifreeze | a liquid added to another liquid, such as water, to lower its freezing point |
| postgraduate | of or taking courses beyond the level of a bachelor's degree |
| postdate | to put a date on (a check, letter, or document) that is later than the actual date |