298 entries under adjective topic. ×

6
poorly(adverb, mean, ill, sick)
6
rotten(mean, bad, weak, weakness)
6
run-down(sick, feeble, weakened, poorly)
6
slack(weak, weakness, loose, lifeless)
6
tottery(change, strong, weak, unsettled)
6
unsure(change, strong, weak, unstable)
6
vulnerable(weak, delicate, loose, feeble)
5
anemic(weak, delicate, uncertain, ill)
5
capricious
5
changeable
5
effete(weak, weakness, thin, delicate)
5
fickle(weak, indecisive, irresolute, vacillating)
5
limp(dull, weak, easy, slow)
5
precarious(change, strong, weak, unstable)
5
seedy(weak, weakness, thin, feeble)
5
slight(light, weak, thin, delicate)
5
tender(weak, delicate, uncertain, feeble)
5
tentative(weak, indecisive, irresolute, vacillating)
5
undecided(weak, uncertain, doubtful, unsure)
5
undependable(uncertain, feeble, shaky, hesitant)
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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>