554 entries under adjective topic. ×

4
unfavorable(bad, poor, small, insignificant)
4
unhinged(simple, foolish, crazy, well)
4
unjustified
4
unpredictable(careless, loose, uncertain, unreliable)
4
unreal(light, weak, wrong, slight)
4
unsupported
4
untrustworthy(wrong, false, loose, uncertain)
4
wicked(severe, delicate, awful, terrible)
3
anemic(weak, poor, delicate, small)
3
asinine(simple, silly, foolish, stupid)
3
bananas(slang, foolish, crazy, mad)
3
bogus(wrong, fake, deception, false)
3
counterfeit(fake, deception, sham, phony)
3
crumbling(corrupt, disgusting, stale, decayed)
3
deceitful(wrong, fake, false, counterfeit)
3
detrimental(bad, offensive, foul, unhealthy)
3
dicey(delicate, uncertain, sensitive, rugged)
3
dotty(crazy, sick, insane, irrational)
3
factitious(fake, deception, counterfeit, sham)
3
feigned(fake, deception, counterfeit, sham)
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APASmart Define. (2015). unsound thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unsound/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unsound thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unsound/thesaurus/synonyms>.
MLASmart Define. "unsound thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/unsound/thesaurus/synonyms>