(a.) Incapable of being conquered, overcome or subdued; unconquerable; insuperable; as, an invincible army or obstacle.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). invincible. Retrieved September 20, 2026, from http://smartdefine.org/invincible/definitions/2023477 |
| Chicago | Webster's. 2011. "invincible" http://smartdefine.org/invincible/definitions/2023477 (accessed September 20, 2026). |
| Harvard | Webster's 2011, invincible, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/invincible/definitions/2023477>. |
| MLA | Webster's. "invincible" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/invincible/definitions/2023477> |