551 entries under failing topic. ×

7
exhausted(verb, adjective, weak, weakness)
7
low(adjective, feature, weak, weakness, well)
6
bland(adjective, weakness, ill, infirmity)
6
cowardly(adjective, adverb, feature, weak, weakness)
6
anemic(adjective, weak, weakness, ill)
6
brittle(noun, adjective, weak, soft, weakness)
6
effete(adjective, weak, weakness, ill)
6
ineffective(adjective, weak, soft, fit, weakness)
6
powerless(adjective, weak, weakness, ill)
6
rickety(adjective, weak, soft, weakness, useless)
6
short(adjective, feature, weak, soft, weakness)
6
sick(noun, verb, adjective, action, weak)
6
small(noun, adjective, weak, weakness, ill)
6
smooth(adjective, feature, dull, hard, weak)
6
unsound(adjective, weak, sound, weakness, well)
5
flat(verb, adjective, feature, weak, weakness)
5
ill(noun, adjective, adverb, feature, weak)
5
indistinct(adjective, weak, weakness, faint)
5
insecure(adjective, weakness, steady, infirmity)
5
insipid(adjective, weak, weakness, infirmity)
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APASmart Define. (2016). strong thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/strong/thesaurus/antonyms
ChicagoSmart Define. 2016. "strong thesaurus" https://smartdefine.org/strong/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, strong thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/strong/thesaurus/antonyms>.
MLASmart Define. "strong thesaurus" 1 April 2016. Web. 29 September 2026. <https://smartdefine.org/strong/thesaurus/antonyms>