5
unsound(adjective, crazy, mad, ill, well)
4
bats
4
buggy
4
crackpot(adjective, crazy, mad, odd, insane)
4
meshuga
4
not all there(expression, adjective, idiom)
4
off-the-wall(adjective, crazy, mad, odd, insane)
4
senseless(adjective, crazy, mad, odd, insane)
4
unsettled(silly, foolish, stupid, hot, crazy)
4
vehement(adjective, crazy, mad, odd, insane)
3
absurd(adjective, wild, silly, foolish, stupid)
3
bananas
3
beside oneself(expression, adjective, idiom, violent, mad)
3
brainsick(adjective, wrong, wild, crazy, mad)
3
bugs
3
crackbrained
3
cranky
3
damaged
3
frenetic(adjective, upset, violent, mad, vicious)
3
half-crazed
11 years ago|9.6k views|share |citing 
APASmart Define. (2015). crazed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/crazed/thesaurus/synonyms
ChicagoSmart Define. 2015. "crazed thesaurus" https://smartdefine.org/crazed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, crazed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/crazed/thesaurus/synonyms>.
MLASmart Define. "crazed thesaurus" 17 July 2015. Web. 22 September 2026. <https://smartdefine.org/crazed/thesaurus/synonyms>