19 entries under sound topic. ×

19
smart(adjective, stupid, wise)
16
prudent(adjective, careless, wise, imprudent)
12
wise(adjective, reasonable, careless, intelligent)
9
circumspect(adjective, careless, wise, reckless)
7
sensible(adjective, wise, unsound)
4
careful(adjective, false, loose, wise)
3
cautious(adjective, careless, wise, reckless)
3
serious(adjective, wise)
3
logical(adjective, obscure, wise, illogical)
3
rational(adjective, careless, stupid, wise)
3
sane(adjective, stupid, wise, insane)
2
thoughtful(adjective, wise)
2
realistic(adjective, wise)
2
unfoolish(adjective, wise, nerdy)
1
reasonable(adjective, wise)
1
balanced(adjective, wise)
1
practical(adjective, wise)
1
responsible(adjective, wise)
0
plain(adjective, wise)
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APASmart Define. (2016). foolish thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/foolish/thesaurus/antonyms
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/foolish/thesaurus/antonyms>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/foolish/thesaurus/antonyms>