300 entries under weak topic. ×

2
small(adjective, insignificant, feeble, trivial)
2
tenuous(adjective, light, slight, imaginary)
2
unable(adjective, feeble, vulnerable, forlorn)
2
undetermined(indecisive, vacillating, irresolution)
2
unfirm(unstable, unsettled, unsteady, trembling)
2
unfit(adjective, sick, feeble, unhealthy)
2
unsettled(unstable, unsteady, indecisive, trembling)
2
wan(adjective, thin, ill, sick)
2
weak-kneed(indecisive, vacillating)
2
wishy-washy(indecisive, fragile, helpless, vacillating)
2
woozy(adjective, thin, delicate, sick)
1
all aquiver(expression, unstable, unsettled, unsteady)
1
apathetic(adjective, dull, easy, slow)
1
aquake(unstable, unsettled, unsteady, trembling)
1
aquiver(unstable, unsettled, unsteady, trembling)
1
ashake(unstable, unsettled, unsteady, trembling)
1
blahs(adjective, dull, easy, slow)
1
changing(indecisive, vacillating)
1
chicken(adjective, thin, delicate, shaky)
1
chiffon(slight, thin, feeble, tacky)
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APASmart Define. (2015). infirm thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/infirm/thesaurus/synonyms
ChicagoSmart Define. 2015. "infirm thesaurus" https://smartdefine.org/infirm/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, infirm thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/infirm/thesaurus/synonyms>.
MLASmart Define. "infirm thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/infirm/thesaurus/synonyms>