| weakness | |
| flaw(noun, advantage, imperfection) | |
| disadvantage(noun, inactivity) | |
| feebleness(noun, robustness) | |
| impotence | |
| powerlessness(noun, inactivity) | |
| sickness | |
| ailment | |
| debility(noun, weakness, incapacity) | |
| frailty(noun, weakness, flaw) | |
| instability(noun, inactivity) | |
| laziness | |
| enervation(noun, inactivity) | |
| malady | |
| unpersuasiveness | |
| cowardice(noun, inactivity) | |
| defect(noun, good, right, benefit, blemish) | |
| disability(noun, disadvantage, restriction) | |
| exhaustion(noun, energy) | |
| faintness |
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| APA | Smart Define. (2016). strength thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/strength/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "strength thesaurus" https://smartdefine.org/strength/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, strength thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/strength/thesaurus/antonyms>. |
| MLA | Smart Define. "strength thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/strength/thesaurus/antonyms> |