47 entries under crumbling topic. ×

22
feeble(adjective, strong, weak, weakness, thin)
16
weak(adjective, strong, disease, weakness, thin)
13
infirm(adjective, strong, 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
rickety(adjective, uncertain, feeble, frail, puny)
6
unsound(adjective, strong, weak, delicate, uncertain)
4
debilitated(adjective, weak, thin, delicate, uncertain)
4
run-down(feeble, frail, flimsy, dilapidated, debilitated)
3
creaky(feeble, frail, flimsy, dilapidated, debilitated)
2
deteriorated(disease, feeble, dilapidated, debilitated, decaying)
2
effete(adjective, weak, thin, delicate, uncertain)
1
aged(adjective, weak, thin, delicate, feeble)
1
antiquated(feeble, frail, flimsy, dilapidated, debilitated)
1
battered(feeble, frail, flimsy, dilapidated, debilitated)
1
bedraggled(feeble, frail, flimsy, dilapidated, debilitated)
1
broken-down(feeble, dilapidated, debilitated, deteriorated, decaying)
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APASmart Define. (2015). weakly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/weakly/thesaurus/synonyms
ChicagoSmart Define. 2015. "weakly thesaurus" https://smartdefine.org/weakly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, weakly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/weakly/thesaurus/synonyms>.
MLASmart Define. "weakly thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/weakly/thesaurus/synonyms>