99 entries under adjective topic. ×

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derisory(wild, silly, foolish, senseless)
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eccentric(silly, foolish, unwise, off)
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fatuous(wrong, wild, silly, foolish)
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frenzied(wrong, wild)
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gaga
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ill-conceived(wild, silly, foolish, senseless)
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impractical(wrong, wild)
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irrational(wrong, wild, silly, foolish)
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irresponsible(wrong, wild, silly, foolish)
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non compos mentis(law, sane)
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out of all reason(expression, idiom, wild, silly)
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preposterous(wrong, wild, silly, foolish)
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psychopathic(wrong, wild)
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psychotic
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raging(wrong, wild)
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raving(wrong, wild)
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senseless(wrong, wild, silly, foolish)
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unsettled(wrong, wild)
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wild(wrong, silly, foolish, unwise)
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APASmart Define. (2011). mad as a hatter thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms
ChicagoSmart Define. 2011. "mad as a hatter thesaurus" https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2011, mad as a hatter thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>.
MLASmart Define. "mad as a hatter thesaurus" 23 May 2011. Web. 30 September 2026. <https://smartdefine.org/mad_as_a_hatter/thesaurus/synonyms>