Definitions of activity

1. the state of being active; " his sphere of activity"; " he is out of action"

2. the trait of being active; moving or acting rapidly and energetically; " the level of activity declines with age"

3. an organic process that takes place in the body; " respiratory activity"

4. any specific activity; " they avoided all recreational 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"

6. The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.

7. Activeness.

8. Energy; quickness in doing; the quality of doing promptly.

9. Quality of being active; agility; operation.

10. The quality of being active; action.