| anti |
(informal) a person opposing a particular group, practice, value, or policy. |
| antisocial |
(informal) not liking to socialize with others; withdrawn. [1/3 definitions] |
| antsy |
(informal) restless, esp. nervously or impatiently so; fidgety. [2 definitions] |
| A-O.K. |
(informal) perfectly fine; in excellent working order. |
| ape |
(informal) a large, clumsy, uncouth person. [1/5 definitions] |
| a piece of cake |
(informal) something extremely easy to do or accomplish. |
| a piece of the action |
(informal) a share of profits, or of some activity. |
| app |
(informal) in computing, a shortened form of "application program." [1/2 definitions] |
| apple-pie |
(informal) pertaining to or embodying values considered typically American, such as forthrightness and decency. [1/2 definitions] |
| apple-pie order |
(informal) an impeccably neat and orderly arrangement or state. |
| a pretty penny |
(informal) a high price or large amount of money. |
| arm-twisting |
(informal) the use of unrelenting or unethical pressure in an effort to persuade someone to do something. |
| around |
(informal) about; nearby; in. [1/13 definitions] |
| around the bend |
(informal) crazy; insane. |
| artiste |
(informal) someone specially skilled at something (often used with humor or contempt). [1/2 definitions] |
| artsy-craftsy |
(informal) involving or given to arts and crafts. |
| arty |
(informal) displaying an affected or ostentatious artistic manner or interest. |
| ass |
(informal) one who is or appears to be stupid. [1/3 definitions] |
| at full blast |
(informal) at maximum speed or capacity. |
| at-home |
a usu. informal reception of visitors and guests at one's home. |
| atomic cocktail |
(informal) a dose of a liquid, taken orally, that contains a radioactive substance used in the diagnosis or treatment of cancer. |