710 entries under adjective topic. ×

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