- (a.) Unanswerable; irrefutable; that can not be refuted or convinced; as, an invulnerable argument.
- (a.) Incapable of being wounded or of receiving injury.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). invulnerable. Retrieved September 22, 2026, from http://smartdefine.org/invulnerable/definitions/2023549 |
| Chicago | Webster's. 2011. "invulnerable" http://smartdefine.org/invulnerable/definitions/2023549 (accessed September 22, 2026). |
| Harvard | Webster's 2011, invulnerable, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/invulnerable/definitions/2023549>. |
| MLA | Webster's. "invulnerable" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/invulnerable/definitions/2023549> |