Synonyms|1.1kAntonyms|423|Broader|11Narrower|16Related|2.8k
2
compelling
2
confirmed
2
convincing
2
credible
2
dependable
2
factual
2
firm(noun, adjective, strong, sound, well)
2
fit
2
flawless
2
flourishing
2
flush
2
gorgeous
2
hale
2
healthful
2
honest(adjective, strong, sound, well)
2
informed
2
judicious(careless, foolish)
2
lucid
2
lusty
2
persuasive
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APASmart Define. (2015). unsound thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsound/thesaurus/antonyms
ChicagoSmart Define. 2015. "unsound thesaurus" https://smartdefine.org/unsound/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unsound thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsound/thesaurus/antonyms>.
MLASmart Define. "unsound thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/unsound/thesaurus/antonyms>