- (n.) The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or cheked by the environment.
- (n.) The quality or state of being spontaneous or acting from native feeling, proneness or temperament, without constraint or external force.
- (n.) The tendency to activity of muscular tissue, including the voluntary muscles, when in a state of healthful vigor and refreshment.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). spontaneity. Retrieved September 23, 2026, from http://smartdefine.org/spontaneity/definitions/2065236 |
| Chicago | Webster's. 2011. "spontaneity" http://smartdefine.org/spontaneity/definitions/2065236 (accessed September 23, 2026). |
| Harvard | Webster's 2011, spontaneity, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/spontaneity/definitions/2065236>. |
| MLA | Webster's. "spontaneity" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/spontaneity/definitions/2065236> |