300 entries under weak topic. ×

1
minor(feeble, tiny)
1
nauseated(mean, ill, sick, feeble)
1
nebbish(adjective, dull, easy, slow)
1
nervous(unstable, unsettled, unsteady, trembling)
1
niggling(feeble, frail, tiny, measly)
1
not healthy(expression, mean, thin, green)
1
not set(expression, unstable, unsettled, unsteady)
1
not so hot(expression, idiom, mean, green)
1
nothing(feeble, frail, tiny, measly)
1
off-color(thin, ill, sick, feeble)
1
out of action(expression, idiom, thin, sick)
1
out of gas(expression, adjective, idiom, thin)
1
out of shape(expression, adjective, idiom, thin)
1
paltry(adjective, thin, delicate, feeble)
1
papery(slight, thin, feeble, tacky)
1
paralyzed(adjective, hurt, feeble, vulnerable)
1
peanut(feeble, frail, tiny, measly)
1
peewee(feeble, frail, tiny, measly)
1
petty(light, slight, feeble, tiny)
1
phlegmatic(adjective, dull, easy, slow)
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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>