5
null(noun, adjective, weakness, negative, unable)
5
down-and-out(noun, adjective, weakness, negative, unable)
5
faint(adjective, weak, soft, weakness, feeble)
5
flaccid(adjective, weak, weakness, feeble, unhealthy)
5
frail(adjective, bad, weak, feeble, unhealthy)
5
incompetent(adjective, law, soft, weakness, unable)
5
mere(noun, adjective, weakness, negative, unable)
5
nerveless(adjective, bad, weak, feeble, unhealthy)
5
unable(adjective, weak, weakness, nothing, loser)
5
vain(noun, adjective, weakness, negative, unable)
4
tender(adjective, act, weakness, offer, sum)
4
heap(noun, action, act, weakness, negative)
4
downhill(adjective, feature, weakness, unable, zero)
4
abortive(noun, adjective, weakness, negative, unable)
4
feckless(adjective, bad, weak, low, feeble)
4
feminine
4
impuissant(adjective, bad, weak, feeble, unhealthy)
4
low spirits(noun, weakness, negative, zero, negativism)
4
low temperature(noun, weakness, negative, zero, negativism)
4
mild(adjective, bad, weak, feeble, unhealthy)
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APASmart Define. (2015). powerful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/powerful/thesaurus/antonyms
ChicagoSmart Define. 2015. "powerful thesaurus" https://smartdefine.org/powerful/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, powerful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/powerful/thesaurus/antonyms>.
MLASmart Define. "powerful thesaurus" 30 November 2015. Web. 23 September 2026. <https://smartdefine.org/powerful/thesaurus/antonyms>