14 entries under insane topic. ×

18
mad(adjective, crazy)
15
crazy(adjective, calm, sound, strange, stupid)
8
unreasonable(adjective, stupid)
6
unstable(adjective, stupid)
3
unsound(adjective, strong, sound, stupid, well)
3
foolish(adjective, sound, stupid, wise)
3
irrational(adjective, sound, stupid, rational)
3
balmy(adjective, violent)
2
unbalanced(adjective, smooth, stupid)
2
mental
2
unwise(adjective, stupid)
1
unintelligent(adjective, stupid)
0
stupid
0
unrealistic(adjective, stupid)
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APASmart Define. (2015). sane thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sane/thesaurus/antonyms
ChicagoSmart Define. 2015. "sane thesaurus" https://smartdefine.org/sane/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, sane thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sane/thesaurus/antonyms>.
MLASmart Define. "sane thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/sane/thesaurus/antonyms>