159 entries under feeble topic. ×

1
vacillating(adjective, weak, delicate, unstable, ill)
1
vulnerable(adjective, weak, delicate, loose, unstable)
1
wasted(adjective, bad, uncertain, frail)
1
weather-beaten(frail, flimsy, dilapidated, debilitated)
1
wee(weak, frail, tiny, measly)
1
worn-out(dilapidated, debilitated, deteriorated, decaying)
1
zero(weak, frail, tiny, measly)
1
zilch(weak, frail, tiny, measly)
0
aged(frail, flimsy, dilapidated, debilitated)
0
antiquated(frail, flimsy, dilapidated, debilitated)
0
brittle(adjective, weak, delicate, infirm)
0
dainty(adjective, weak, delicate, infirm)
0
forceless(adjective, uncertain, shaky, hesitant)
0
fracturable(adjective, weak, delicate, infirm)
0
haggard(dilapidated, debilitated, deteriorated, decaying)
0
hesitant(adjective, uncertain, shaky, sluggish)
0
lackadaisical(adjective, uncertain, shaky, hesitant)
0
languorous(adjective, uncertain, shaky, hesitant)
0
not strong(expression, adjective, uncertain, hesitant)
0
piddling(weak, tiny)
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APASmart Define. (2015). unsound thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unsound thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>.
MLASmart Define. "unsound thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms>