158 entries under weak topic. ×

1
trivial(adjective, flat, poor, silly)
1
tumbledown(unstable, unsettled, unsteady, trembling)
1
two-bit(feeble, deficient, incomplete, inexact)
1
unconsequential(feeble, frail, tiny, measly)
1
underfed(feeble, frail, tiny, measly)
1
undersized(feeble, frail, tiny)
1
vacillating(adjective, delicate, unstable, ill)
1
vulnerable(adjective, delicate, loose, unstable)
1
wee(feeble, frail, tiny, measly)
1
yielding(unstable, unsettled, unhealthy, unfit)
1
zero(feeble, frail, tiny, measly)
1
zilch(feeble, frail, tiny, measly)
0
aerial(light, slight, imaginary, flimsy)
0
airy(light, slight, imaginary, flimsy)
0
brittle(adjective, delicate, feeble, infirm)
0
dainty(adjective, delicate, feeble, infirm)
0
ephemeral(light, slight, imaginary, flimsy)
0
fracturable(adjective, delicate, feeble, infirm)
0
immaterial(light, slight, imaginary, flimsy)
0
imponderable(light, slight, imaginary, flimsy)
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APASmart Define. (2015). unsound thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unsound thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>.
MLASmart Define. "unsound thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms>