103 entries under flimsy topic. ×

1
wasted(adjective, bad, uncertain, feeble, frail)
1
weather-beaten(feeble, frail, dilapidated, debilitated)
0
aerial(light, weak, slight, imaginary)
0
aged(feeble, frail, dilapidated, debilitated)
0
airy(light, weak, slight, imaginary)
0
antiquated(feeble, frail, dilapidated, debilitated)
0
brittle(adjective, weak, delicate, feeble, infirm)
0
crisp(delicate, brittle)
0
crumbly(delicate, brittle)
0
dainty(adjective, weak, delicate, feeble, infirm)
0
ephemeral(light, weak, slight, imaginary)
0
fine(delicate, brittle)
0
fracturable(adjective, weak, delicate, feeble, infirm)
0
friable(delicate, brittle)
0
immaterial(light, weak, slight, imaginary)
0
imponderable(light, weak, slight, imaginary)
0
incorporeal(light, weak, slight, imaginary)
0
intangible(light, weak, slight, imaginary)
0
metaphysical(light, weak, slight, imaginary)
0
shatterable(adjective, weak, delicate, feeble, infirm)
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APASmart Define. (2015). unsound thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unsound thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>.
MLASmart Define. "unsound thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms>