| action |
something that is done, is being done, or will be done. [8 definitions] |
| action verb |
a verb that shows its subject performing some action. "Run," "eat," "fly," and "sing" are examples of action verbs. |
| activate |
to initiate action in; make active. [6 definitions] |
| active |
constantly doing something; busy; energetic. [7 definitions] |
| actively |
in a way that involves making an effort, taking action, or participating; not passively. |
| activist |
one who advocates a cause with vigor or militance. |
| activity |
the condition or state of being active. [4 definitions] |
| actor |
one who plays roles in dramatic productions on stage, in films, or on radio and television. [2 definitions] |
| actress |
a woman or girl who plays roles in dramatic productions. |
| actual |
truly existing or happening, not just potentially or in the imagination. [3 definitions] |
| actually |
as a matter of fact; really. [2 definitions] |
| act up |
to behave in a bad or mischievous way; misbehave. [3 definitions] |
| acupuncture |
a traditional Chinese practice of pricking certain parts of the body with fine needles to relieve pain or cure disease. [2 definitions] |
| acute |
of great severity or intensity. [7 definitions] |
| acute angle |
an angle of less than ninety degrees. |
| A.D. |
abbreviation of "anno Domini" (Latin); in the year of the Lord, or, since the birth of Jesus Christ (used in designating dates). |
| ad |
advertisement. [2 definitions] |
| adage |
an old familiar saying that expresses folk wisdom; proverb. |
| adapt |
to make fit or suitable for a particular need or condition; adjust. [2 definitions] |
| adaptable |
having the capacity to be adapted. [2 definitions] |
| adaptation |
the act or process of adapting, or the state of being adapted. [4 definitions] |