Synonyms|1.1kAntonyms|423|Broader|11Narrower|16Related|2.8k
2
proper
2
realistic
2
reasoned
2
rugged
2
satisfying
2
sensible
2
sober
2
solid
2
stalwart
2
steady(adjective, strong, sound, well)
2
substantial
2
sustainable
2
thriving
2
tough
2
well-conditioned
2
well-founded
2
well-grounded
2
white(hurt, injury)
2
whole
2
wholesome
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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>