696 entries under adjective topic. ×

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demoniac(passionate, cruel, vicious, brutal)
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disordered(wrong, wild, hot, confused)
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dopey(knowledge, slang, ability, foolish)
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fantastical(marvelous, mad, odd, insane)
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fool(noun, light, silly, absurd)
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fuming(passionate, cruel, vicious, irritation)
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gonzo(characteristic, person, behavior, bizarre)
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grotesque
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impossible
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impractical(wrong, slow, wild, silly)
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infuriated(ill, sick, fervent, irritation)
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irregular(extraordinary, unusual, wild, strange)
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mentally ill(expression, sick, sane, unwell)
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meshuga
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mindless(wrong, careless, silly, foolish)
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psychopathic(silly, foolish, stupid, senseless)
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puerile(silly, foolish, stupid, fantastic)
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remarkable(unusual, strange, marvelous, fantastic)
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round the bend(expression, idiom, wild, strange)
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softheaded(knowledge, ability)
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APASmart Define. (2016). crazy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crazy/thesaurus/synonyms
ChicagoSmart Define. 2016. "crazy thesaurus" https://smartdefine.org/crazy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, crazy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crazy/thesaurus/synonyms>.
MLASmart Define. "crazy thesaurus" 3 April 2016. Web. 24 September 2026. <https://smartdefine.org/crazy/thesaurus/synonyms>