- (v.i.) To become weak or weaker; to lose strength, spirit or determination; to become less positive or resolute; as, the patient weakened; the witness weakened on cross-examination.
- (v.t.) To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate; as, to weaken the body or the mind; to weaken the hands of a magistrate; to weaken the force of an objection or an argument.
- (v.t.) To reduce in quality, strength or spirit; as, to weaken tea; to weaken any solution or decoction.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). weaken. Retrieved September 24, 2026, from http://smartdefine.org/weaken/definitions/2081150 |
| Chicago | Webster's. 2011. "weaken" http://smartdefine.org/weaken/definitions/2081150 (accessed September 24, 2026). |
| Harvard | Webster's 2011, weaken, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/weaken/definitions/2081150>. |
| MLA | Webster's. "weaken" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/weaken/definitions/2081150> |