220 entries under crazy topic. ×

9
invalid(adjective, characteristic, foolish, unreasonable)
9
maniac(noun, adjective, confused, insane)
9
uncontrolled(adjective, characteristic, rough, anger, wild)
9
unwise(adjective, weak, simple, wrong, wild)
8
zealous(adjective, love, concern, passionate, enthusiastic)
7
extravagant(adjective, rough, strange, foolish)
7
keen(adjective, love, concern, passionate, enthusiastic)
7
manic(adjective, evil, stupid, hot)
7
mindless(adjective, dull, simple, wrong, silly)
7
passionate(adjective, violent, cruel, vicious)
7
aberrant(adjective, characteristic, foolish, hot)
7
avid(adjective, love, rough, passionate, enthusiastic)
7
fervent(adjective, concern, enthusiastic, ill)
7
flaky(adjective, wrong, unusual, passionate, violent)
7
irresponsible(adjective, wrong, wild, silly, foolish)
7
madcap(adjective, rough, silly, foolish)
7
neurotic(noun, adjective, violent, excited)
7
possessed(adjective, evil, passionate, violent)
7
psycho(noun, adjective, wild, silly, foolish)
6
hare-brained(adjective, silly, foolish, zany)
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APASmart Define. (2016). mad thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/mad/thesaurus/synonyms
ChicagoSmart Define. 2016. "mad thesaurus" https://smartdefine.org/mad/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, mad thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/mad/thesaurus/synonyms>.
MLASmart Define. "mad thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/mad/thesaurus/synonyms>