3
mental(adjective, silly, foolish, stupid, crazy)
3
neurotic(adjective, insane)
3
out to lunch(expression, adjective, idiom, silly, crazy)
3
potty(adjective, silly, foolish, mad, insane)
3
schizoid(adjective, insane)
3
stark raving mad(expression, adjective, idiom, sane, insanity)
3
wacky(adjective, slang, silly, foolish, crazy)
2
amuck
2
babbling(adjective, insane)
2
balmy(adjective, silly, foolish, crazy, mad)
2
bats in the belfry(expression, idiom, silly, foolish, mad)
2
brain-sick(adjective, insane)
2
corybantic(wild, frantic, frenzied, preoccupied, neurotic)
2
crack-brained(adjective, insane)
2
daffy(adjective, informal, sane)
2
delusional
2
desperate(adjective, cruel, vicious, brutal, aggressive)
2
disordered(adjective, sane)
2
disturbed(verb, adjective, cruel, hot, crazy)
2
eccentric(adjective, silly, foolish, unwise)
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APASmart Define. (2016). maniacal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/maniacal/thesaurus/synonyms
ChicagoSmart Define. 2016. "maniacal thesaurus" https://smartdefine.org/maniacal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, maniacal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/maniacal/thesaurus/synonyms>.
MLASmart Define. "maniacal thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/maniacal/thesaurus/synonyms>