158 entries under weak topic. ×

3
imaginary(adjective, light, wrong, slight)
3
inconsequential(feeble, reasoning, tiny)
3
tenuous(adjective, light, slight, thin)
2
chimerical(adjective, light, slight, imaginary)
2
enfeebled(adjective, delicate, ill, sick)
2
failing(adjective, delicate, short, shy)
2
faint(adjective, delicate, uncertain, ill)
2
illusory(adjective, light, slight, imaginary)
2
jerry-built(adjective, unstable, unsettled, shaky)
2
loose(adjective, careless, unstable, unpredictable)
2
shallow(adjective, slight, flat, thin)
2
slight(adjective, light, thin, delicate)
2
undeveloped(feeble, frail, deficient, incomplete)
2
unfirm(unstable, unsettled, unsteady, trembling)
2
unsettled(crazy, unstable, insane, irrational)
2
unsure(adjective, loose, uncertain, unstable)
2
wavering(adjective, delicate, uncertain, unstable)
1
all aquiver(expression, unstable, unsettled, unsteady)
1
anile(adjective, delicate, ill, sick)
1
aquake(unstable, unsettled, unsteady, trembling)
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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>