Search Result for "activity": 
Wordnet 3.0

NOUN (6)

1. any specific behavior;
- Example: "they avoided all recreational activity"

2. the state of being active;
- Example: "his sphere of activity"
- Example: "he is out of action"
[syn: action, activity, activeness]

3. an organic process that takes place in the body;
- Example: "respiratory activity"
[syn: bodily process, body process, bodily function, activity]

4. (chemistry) the capacity of a substance to take part in a chemical reaction;
- Example: "catalytic activity"

5. a process existing in or produced by nature (rather than by the intent of human beings);
- Example: "the action of natural forces"
- Example: "volcanic activity"
[syn: natural process, natural action, action, activity]

6. the trait of being active; moving or acting rapidly and energetically;
- Example: "the level of activity declines with age"
[syn: activeness, activity]



The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

   Syn: Liveliness; briskness; quickness.
        [1913 Webster]


WordNet (r) 3.0 (2006):

activity
    n 1: any specific behavior; "they avoided all recreational
         activity" [ant: inactivity]
    2: the state of being active; "his sphere of activity"; "he is
       out of action" [syn: action, activity, activeness]
       [ant: inaction, inactiveness, inactivity]
    3: an organic process that takes place in the body; "respiratory
       activity" [syn: bodily process, body process, bodily
       function, activity]
    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, activity]
    6: the trait of being active; moving or acting rapidly and
       energetically; "the level of activity declines with age"
       [syn: activeness, activity] [ant: inactiveness,
       inactivity, inertia]