11
unstable(adjective, characteristic, false, lively, foolish)
11
witless(adjective, foolish, crazy, odd, insane)
10
illogical(adjective, characteristic, wrong, false, silly)
10
imprudent(adjective, characteristic, weak, simple, wild)
10
potty(adjective, wild, silly, foolish, crazy)
10
enthusiastic(adjective, concern, passionate, silly, foolish)
10
fanatical(adjective, love, passionate, enthusiastic, ill)
10
laughable
10
sick(adjective, enthusiastic, crazy, ill, fervent)
10
stormy(adjective, irritation, animated, annoyance, discontent)
10
trippy
9
daffy(adjective, weak, simple, informal, silly)
9
gaga(adjective, informal, lively, active, insane)
9
goofy(adjective, silly, foolish, unwise)
9
loopy(adjective, knowledge, ability, informal, foolish)
9
abandoned(adjective, characteristic, anger, angry, fury)
9
apoplectic(adjective, irritation, annoyance, discontent, furious)
9
beside oneself(expression, adjective, idiom, violent, distressed)
9
brainless(adjective, weak, simple, silly, foolish)
9
brainsick(adjective, wrong, crazy, confused, insane)
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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>