adjective
- Not subject to the control of the will."involuntary manslaughter"; "involuntary servitude"; "an involuntary shudder"; "It (becoming a hero) was involuntary. They sank my boat- John F. Kennedy
- synonyms: nonvoluntary, unvoluntary
- Controlled by the autonomic nervous system; without conscious control.
- usage: "involuntary muscles"; "gave an involuntary start"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). involuntary. Retrieved September 20, 2026, from http://smartdefine.org/involuntary/definitions/1176897 |
| Chicago | WordNet. 2010. "involuntary" http://smartdefine.org/involuntary/definitions/1176897 (accessed September 20, 2026). |
| Harvard | WordNet 2010, involuntary, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/involuntary/definitions/1176897>. |
| MLA | WordNet. "involuntary" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/involuntary/definitions/1176897> |