13
bananas(adjective, characteristic, slang, crazy, insane)
13
cross(noun, adjective, unfriendly, irritation, annoyance)
13
heated(adjective, irritation, animated, annoyance, discontent)
12
foolhardy(adjective, characteristic, wild, silly, foolish)
12
loco(adjective, slang, crazy, insane, irrational)
12
odd(adjective, characteristic, person, unusual, wild)
12
asinine(adjective, weak, simple, silly, foolish)
12
cracked(adjective, informal, wild, silly, foolish)
11
non compos mentis(expression, adjective, idiom, law, crazy)
11
dippy(adjective, weak, simple, knowledge, slang)
11
inane(adjective, dull, simple, wild, silly)
11
infatuated(adjective, state, love, passionate, violent)
11
of unsound mind(expression, adjective, idiom, silly, stupid)
11
provoked(adjective, characteristic, anger, angry, fury)
11
acrimonious(adjective, nasty, speech, unfriendly, irritation)
11
eccentric(adjective, characteristic, person, unusual, wild)
11
fantastic(adjective, characteristic, weak, simple, strange)
11
mentally ill(expression, adjective, idiom, insane, sane)
11
queer(adjective, characteristic, person, unusual, strange)
11
rash(adjective, passionate, violent, silly, foolish)
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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>