76 entries under insane topic. ×

7
demented(adjective, silly, foolish, mad)
6
maniac(adjective, mad, sane, psychiatric)
6
mental(adjective, silly, foolish, mad)
6
moonstruck(adjective, silly, foolish, mad)
6
screwy(adjective, slang, silly, foolish, mad)
6
touched(adjective, informal, silly, foolish, mad)
6
unbalanced(adjective, silly, foolish, mad)
5
crazed(adjective, silly, foolish, mad)
5
disordered(adjective, sane)
5
mentally ill(expression, adjective, mad, sane)
5
non compos mentis(expression, adjective, idiom, law, mad)
5
of unsound mind(expression, adjective, idiom, silly, mad)
5
off(adjective, sane)
5
unsound(adjective, sane)
4
eccentric(adjective, silly, foolish, unwise)
4
mad as a hatter(expression, adjective, idiom, silly, mad)
4
maniacal(adjective, silly, foolish, mad)
3
psycho(silly, foolish, mad, unwise)
3
silly(adjective, foolish, mad, unwise)
2
bats in the belfry(expression, idiom, silly, foolish, mad)
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APASmart Define. (2015). fruity thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fruity/thesaurus/synonyms
ChicagoSmart Define. 2015. "fruity thesaurus" https://smartdefine.org/fruity/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, fruity thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fruity/thesaurus/synonyms>.
MLASmart Define. "fruity thesaurus" 19 June 2015. Web. 24 September 2026. <https://smartdefine.org/fruity/thesaurus/synonyms>