9
certifiable
9
crack-brained(adjective, insane)
9
crackpot(adjective, crazy, odd, insane, lunatic)
9
disgruntled(adjective, irritation, annoyance, heated, discontent)
9
harebrained(adjective, weak, simple, knowledge, ability)
9
invalid(adjective, characteristic, foolish, crazy, unreasonable)
9
maniac(noun, adjective, crazy, confused, insane)
9
peevish(adjective, person, negative, angry, bad mood)
9
seething(adjective, irritation, agitated, annoyance, discontent)
9
shirty(adjective, irritation, annoyance, discontent, irritability)
9
uncontrolled(adjective, characteristic, rough, anger, wild)
9
unwise(adjective, weak, simple, wrong, wild)
8
bitter(adjective, unfriendly, irritation, animated, annoyance)
8
zealous(adjective, love, concern, passionate, enthusiastic)
7
boiling(adjective, irritation, annoyance, angry, discontent)
7
extravagant(adjective, rough, strange, foolish, crazy)
7
impatient(adjective, person, negative, angry, bad mood)
7
keen(adjective, love, concern, passionate, enthusiastic)
7
manic(adjective, evil, stupid, hot, crazy)
7
mindless(adjective, dull, simple, wrong, silly)
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APASmart Define. (2016). mad thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mad/thesaurus/synonyms
ChicagoSmart Define. 2016. "mad thesaurus" https://smartdefine.org/mad/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, mad thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mad/thesaurus/synonyms>.
MLASmart Define. "mad thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/mad/thesaurus/synonyms>