- (v.t.) To weaken; to enfeeble.
- (a.) Not solid or stable; insecure; precarious.
- (a.) Not firm or sound; weak; feeble; as, an infirm body; an infirm constitution.
- (a.) Weak of mind or will; irresolute; vacillating.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). infirm. Retrieved September 24, 2026, from http://smartdefine.org/infirm/definitions/2021413 |
| Chicago | Webster's. 2011. "infirm" http://smartdefine.org/infirm/definitions/2021413 (accessed September 24, 2026). |
| Harvard | Webster's 2011, infirm, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/infirm/definitions/2021413>. |
| MLA | Webster's. "infirm" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/infirm/definitions/2021413> |