96 entries under feeble topic. ×

4
unsteady(adjective, false, uncertain, unstable, ill)
3
creaky(weakness, frail, flimsy, debilitated)
3
dilapidated(adjective, frail, flimsy, debilitated)
3
faint(adjective, dull, light, weak, soft)
3
shallow(adjective, weak, slight, thin)
2
makeshift(adjective, poor, uncertain, hesitant)
2
papery(adjective, weak, slight, thin, delicate)
2
run-down(adjective, frail, flimsy, dilapidated)
2
shabby(adjective, slight, small, miserable, inadequate)
2
tottering(adjective, weakness, unstable, ill)
2
undependable(adjective, uncertain, shaky, hesitant)
1
aged(adjective, weak, thin, delicate)
1
anemic(adjective, dull, light, weak, soft)
1
anile(weak, delicate, infirm, flimsy)
1
antiquated(frail, flimsy, dilapidated, debilitated)
1
battered(frail, flimsy, dilapidated, debilitated)
1
bedraggled(frail, flimsy, dilapidated, debilitated)
1
broken-down(adjective, dilapidated, debilitated, deteriorated)
1
chiffon(adjective, light, weak, slight, thin)
1
crippled(dilapidated, debilitated, deteriorated, decaying)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>