231 entries under infirmity topic. ×

13
slight(adjective, weak, weakness, useless, failing)
12
faint(noun, verb, adjective, action, weak)
10
vulnerable(adjective, weakness, failing)
8
dilute(verb, adjective, action, weakness, failing)
8
puny(adjective, feature, weak, weakness, ill)
8
unhealthy(adjective, weakness, sick, failing, wholesome)
7
diluted(verb, adjective, weak, weakness, failing)
7
exhausted(verb, adjective, weak, weakness, failing)
6
bland(adjective, weakness, ill, failing)
6
cowardly(adjective, adverb, feature, weak, weakness)
6
anemic(adjective, weak, weakness, ill, failing)
6
brittle(noun, adjective, weak, soft, weakness)
6
effete(adjective, weak, weakness, ill, failing)
6
rickety(adjective, weak, soft, weakness, useless)
6
sick(noun, verb, adjective, action, weak)
6
small(noun, adjective, weak, weakness, ill)
6
smooth(adjective, feature, dull, hard, weak)
5
failing(noun, adjective, weak, weakness, which)
5
flat(verb, adjective, feature, weak, weakness)
5
indistinct(adjective, weak, weakness, failing, faint)
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APASmart Define. (2016). strong thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/strong/thesaurus/antonyms
ChicagoSmart Define. 2016. "strong thesaurus" https://smartdefine.org/strong/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, strong thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/strong/thesaurus/antonyms>.
MLASmart Define. "strong thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/strong/thesaurus/antonyms>