79 entries under sick topic. ×

7
insecure(adjective, weak, delicate, false, ill)
7
unstable(adjective, weak, delicate, false, ill)
7
unsteady(adjective, false, uncertain, unstable, ill)
5
anemic(adjective, weak, delicate, uncertain, ill)
5
failing(adjective, weak, thin, delicate, ill)
5
invalid(adjective, mean, weak, green)
5
poorly(adjective, adverb, mean, weak, down)
5
run-down(adjective, feeble, unhealthy, unfit)
5
wobbly(adjective, mean, bad, weak, slight)
4
indisposed(adjective, mean, weak, ill)
4
lame(adjective, weak, thin, delicate, false)
3
bedridden(mean, weak, down, feeble)
3
faltering(adjective, weak, delicate, ill)
3
unfit(adjective, weak, unhealthy, broken)
2
diseased(mean, weak, down, feeble)
2
feverish(mean, weak, down, feeble)
2
peaked(mean, weak, down, green)
2
rotten(adjective, mean, bad, weak, delicate)
2
run down(expression, mean, weak, green)
2
vacillating(adjective, weak, delicate, unstable, ill)
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APASmart Define. (2015). frail thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/frail/thesaurus/synonyms
ChicagoSmart Define. 2015. "frail thesaurus" https://smartdefine.org/frail/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, frail thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/frail/thesaurus/synonyms>.
MLASmart Define. "frail thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/frail/thesaurus/synonyms>