101 entries under sick topic. ×

12
irresolute(adjective, weak, delicate, uncertain, ill)
12
unsteady(adjective, change, strong, weak, uncertain)
10
diseased(adjective, mean, weak, feeble)
10
enfeebled(adjective, weak, thin, delicate, ill)
10
indisposed(adjective, mean, bad, weak, thin)
10
lame(adjective, hurt, weak, disease, thin)
10
unstable(adjective, change, strong, weak, delicate)
10
unsubstantial(adjective, strong, light, weak, slight)
10
wobbly(adjective, change, mean, bad, strong)
8
vacillating(adjective, weak, delicate, unsettled)
7
insecure(adjective, change, strong, weak, delicate)
7
uncertain(adjective, weak, ill, feeble)
7
wavering(adjective, weak, delicate, uncertain, unstable)
6
failing(adjective, weak, thin, delicate, ill)
6
faltering(adjective, weak, delicate, unsettled)
6
languid(adjective, dull, weak, easy, weakness)
6
poorly(adjective, adverb, mean, ill)
6
rotten(adjective, mean, bad, weak, weakness)
6
run-down(adjective, feeble, weakened, poorly)
5
anemic(adjective, weak, delicate, uncertain, ill)
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APASmart Define. (2015). infirm thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/infirm/thesaurus/synonyms
ChicagoSmart Define. 2015. "infirm thesaurus" https://smartdefine.org/infirm/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, infirm thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/infirm/thesaurus/synonyms>.
MLASmart Define. "infirm thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/infirm/thesaurus/synonyms>