(n.) The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active force; as, an increasing variety of human activities.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). activity. Retrieved September 21, 2026, from http://smartdefine.org/activity/definitions/1970703 |
| Chicago | Webster's. 2011. "activity" http://smartdefine.org/activity/definitions/1970703 (accessed September 21, 2026). |
| Harvard | Webster's 2011, activity, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/activity/definitions/1970703>. |
| MLA | Webster's. "activity" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/activity/definitions/1970703> |