14 entries under sound topic. ×

17
foolish(adjective, characteristic, stupid, wise)
5
insane
3
crazy(adjective, calm, strange)
0
aper
0
bats in the belfry(expression, idiom, calm)
0
irrational
0
mad as a March hare(expression, idiom, calm)
0
mad as a hatter(expression, idiom, calm)
0
nutty as fruitcake(expression, idiom, calm)
0
of unsound mind(expression, idiom, calm)
0
potty
0
round the bend(expression, idiom, calm)
0
schizo
0
screw loose(expression, calm)
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APASmart Define. (2016). smart thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/smart/thesaurus/antonyms
ChicagoSmart Define. 2016. "smart thesaurus" https://smartdefine.org/smart/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, smart thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/smart/thesaurus/antonyms>.
MLASmart Define. "smart thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/smart/thesaurus/antonyms>