118 entries under feeble topic. ×

16
weak(adjective, strong, disease, weakness, thin)
13
infirm(adjective, strong, weak, thin, delicate)
12
puny(adjective, strong, weak, thin, delicate)
11
sickly(adjective, adverb, weak, thin, delicate)
9
decrepit(adjective, strong, weak, disease, thin)
8
fragile(adjective, strong, weak, thin, delicate)
8
flimsy(adjective, strong, weak, poor, delicate)
8
frail(adjective, strong, weak, thin, delicate)
8
insubstantial(adjective, strong, weak, thin, delicate)
6
faint(adjective, weak, thin, delicate, uncertain)
6
flaccid(adjective, weakness, uncertain, hesitant)
6
rickety(adjective, uncertain, frail, puny)
6
unhealthy
6
unsound(adjective, strong, weak, delicate, uncertain)
5
powerless(adjective, weak, weakness, thin, delicate)
5
unsubstantial(adjective, strong, weak, delicate, uncertain)
5
weakened(adjective, weak, disease, thin, delicate)
4
debilitated(adjective, weak, thin, delicate, uncertain)
4
delicate(adjective, strong, weak, thin, uncertain)
4
languid(adjective, weak, thin, delicate, uncertain)
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APASmart Define. (2015). weakly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/weakly/thesaurus/synonyms
ChicagoSmart Define. 2015. "weakly thesaurus" https://smartdefine.org/weakly/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, weakly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/weakly/thesaurus/synonyms>.
MLASmart Define. "weakly thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/weakly/thesaurus/synonyms>