12 entries under unsound topic. ×

12
wise(adjective, sound, reasonable, careless, intelligent)
7
sensible(adjective, sound, wise)
3
judicious(adjective, careless, thoughtful, wise)
1
levelheaded
0
cool as cucumber(expression, idiom, careless)
0
coolheaded
0
matter of fact(expression, idiom)
0
thought-out
0
well-reasoned
0
well-thought-out
0
with all marbles(expression, idiom, careless)
0
witting
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APASmart Define. (2016). foolish thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/foolish/thesaurus/antonyms
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/foolish/thesaurus/antonyms>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/foolish/thesaurus/antonyms>