Activity - Dictionary Definition and Overview

Activity :  (noun)
1: any specific activity; "they avoided all recreational activity" [ant: inactivity]
2: the state of being active; "his sphere of activity"; "he is out of action" [syn: action, activeness] [ant: inaction, inaction, inaction]
3: an organic process that takes place in the body; "respiratory activity" [syn: bodily process, body process, bodily function]
4: (chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity"
5: a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity" [syn: natural process, natural action, action]
6: the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age" [syn: activeness] [ant: inactiveness]

Based on WordNet 2.0

Activity : \Ac*tiv"i*ty\, n.; pl. Activities. [Cf. F. activit['e], LL. activitas.] The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities. ``The activity of toil.'' --Palfrey.

Syn: Liveliness; briskness; quickness.

Based on WordNet (r) 2.0 (August 2003)
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