300 entries under adjective topic. ×

5
flaccid(weak, weakness, feeble, unhealthy)
5
frail(bad, weak, feeble, unhealthy)
5
incompetent(law, soft, weakness, unable)
5
mere(noun, weakness, negative, unable)
5
nerveless(bad, weak, feeble, unhealthy)
5
unable(weak, weakness, nothing, loser)
5
vain(noun, weakness, negative, unable)
4
tender(act, weakness, offer, sum)
4
downhill(feature, weakness, unable, zero)
4
abortive(noun, weakness, negative, unable)
4
feckless(bad, weak, low, feeble)
4
impuissant(bad, weak, feeble, unhealthy)
4
mild(bad, weak, feeble, unhealthy)
4
obscure(verb, action, act, soft)
4
slight(weak, soft, weakness, feeble)
4
unimportant(weak, weakness, nothing, unability)
3
about(verb, feature, act, doing)
3
effete(bad, weak, feeble, unhealthy)
3
fragile(weak, soft, weakness, feeble)
3
incapacitated(verb, law, action, act)
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APASmart Define. (2015). powerful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/powerful/thesaurus/antonyms
ChicagoSmart Define. 2015. "powerful thesaurus" https://smartdefine.org/powerful/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, powerful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/powerful/thesaurus/antonyms>.
MLASmart Define. "powerful thesaurus" 30 November 2015. Web. 25 September 2026. <https://smartdefine.org/powerful/thesaurus/antonyms>