Synonyms|567Antonyms|35|Broader|6Narrower|0Related|714

165 entries under insane topic. ×

3
frenetic(adjective, upset, violent, mad, vicious)
3
unglued(adjective, crazy, mad, odd)
3
witless(adjective, crazy, mad, odd)
2
bats in the belfry(expression, idiom, silly, foolish, mad)
2
dippy(adjective, silly, foolish, crazy, mad)
2
disordered(adjective, crazy, confused, irrational)
2
eccentric(adjective, wild, silly, foolish, crazy)
2
erratic(adjective, wild, silly, foolish, crazy)
2
faulty(false, ill, unhealthy, frail)
2
flawed(false, unstable, ill, shaky)
2
flipped(adjective, wild, silly, foolish, crazy)
2
flipped out(expression, silly, hot, crazy, mad)
2
freaked out(expression, wild, silly, foolish, crazy)
2
idiotic(adjective, wild, silly, foolish, stupid)
2
mad as a March hare(expression, idiom, silly, foolish, mad)
2
mad as a hatter(expression, idiom, silly, foolish, mad)
2
mentally strange(expression, silly, foolish, mad)
2
nonsensical(adjective, crazy, mad, odd)
2
nutty as fruitcake(expression, idiom, silly, foolish, mad)
2
off one's head(expression, adjective, idiom, crazy, mad)
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APASmart Define. (2015). crazed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/crazed/thesaurus/synonyms
ChicagoSmart Define. 2015. "crazed thesaurus" https://smartdefine.org/crazed/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, crazed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/crazed/thesaurus/synonyms>.
MLASmart Define. "crazed thesaurus" 17 July 2015. Web. 27 September 2026. <https://smartdefine.org/crazed/thesaurus/synonyms>