54 entries under flimsy topic. ×

37
feeble(adjective, dull, mean, bad, strong)
34
weak(adjective, dull, change, mean, bad)
30
frail(adjective, mean, bad, strong, light)
23
decrepit(adjective, strong, light, weak, slight)
19
unsound(adjective, strong, light, weak, slight)
18
debilitated(adjective, mean, bad, weak, thin)
18
fragile(adjective, strong, light, weak, slight)
16
delicate(adjective, mean, bad, strong, weak)
16
rickety(adjective, mean, bad, weak, slight)
14
puny(adjective, strong, light, weak, slight)
12
insubstantial(adjective, strong, light, weak, slight)
10
unsubstantial(adjective, strong, light, weak, slight)
10
weakly(adjective, adverb, strong, weak, thin)
9
wasted(adjective, weakness, uncertain, feeble, tired)
8
crippled(adjective, hurt, weak, disease, feeble)
8
doddering(adjective, weak, thin, delicate, feeble)
7
poor(adjective, light, weak, slight, weakness)
7
senile(adjective, physical, uncertain, feeble, tired)
5
effete(adjective, weak, weakness, thin, delicate)
5
slight(adjective, light, weak, thin, delicate)
<123>
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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>