10
helpless
9
weak(adjective, strong, soft, firm, powerful)
8
feeble
7
impotent(adjective, strong, weak, soft, competent)
7
ineffective(adjective, strong, weak, soft, fit)
5
incapable(adjective, strong, weak, soft, fit)
4
fruitless(adjective, product)
4
powerless(adjective, weak, unable)
4
sub-par
4
unable(adjective, strong, fit)
4
unsuccessful
4
useless
4
vain
3
female
3
feminine
3
mild
3
subpar
3
unavailing
2
ineffectual
2
abortive
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APASmart Define. (2015). potent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/potent/thesaurus/antonyms
ChicagoSmart Define. 2015. "potent thesaurus" https://smartdefine.org/potent/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, potent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/potent/thesaurus/antonyms>.
MLASmart Define. "potent thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/potent/thesaurus/antonyms>