ac·tiv·i·ty /ækˈtɪvəti/
1. any specific behavior; "they avoided all recreational activity"
synset: activity
2. the state of being active; "his sphere of activity"; "he is out of action"
synset: action, activity, activeness
antonym: inaction, inactivity, inactiveness
3. an organic process that takes place in the body; "respiratory activity"
synset: bodily_process, body_process, bodily_function, activity
4. (chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity"
synset: 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"
synset: natural_process, natural_action, action, activity
6. the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age"
synset: activeness, activity
antonym: inactiveness, inactivity, inertia
Princeton University "About WordNet." WordNet. Princeton University. 2010.
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