6
demoniacal(adjective, evil, excitation, crazed, devilish)
6
desperate(adjective, wild, cruel, vicious, agitated)
6
fiendish(adjective, evil, cruel, wicked, controlled)
6
hare-brained(adjective, silly, foolish, crazy, zany)
6
ill-humored(adjective, person, negative, angry, bad mood)
6
imbecile
6
impetuous(adjective, rough, passionate, violent, cruel)
6
madding(adjective, calm, crazy, odd, insane)
6
misglad(adjective, person, negative, angry, bad mood)
6
off-the-wall(adjective, crazy, odd, insane)
6
out to lunch(expression, adjective, idiom, silly, crazy)
6
phrenetic(adjective, crazy, odd, insane)
6
puerile(adjective, silly, foolish, unwise, unintelligent)
6
unrestrained(adjective, rough, violent, cruel, foolish)
6
unsafe(adjective, characteristic, false, crazy, unstable)
6
unthinking(adjective, foolish, unreasonable, illogical)
6
wroth
6
zany(adjective, weak, simple, knowledge, ability)
5
aggrieved(adjective, irritation, annoyance, discontent, offended)
5
amok
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APASmart Define. (2016). mad thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mad/thesaurus/synonyms
ChicagoSmart Define. 2016. "mad thesaurus" https://smartdefine.org/mad/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, mad thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mad/thesaurus/synonyms>.
MLASmart Define. "mad thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/mad/thesaurus/synonyms>