93 entries under foolish topic. ×

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ape(silly, unwise)
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barmy(silly, unwise)
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bats in the belfry(expression, adjective, idiom, wild, silly)
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batty(adjective, silly, impulsive, unwise)
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berserk(silly, unwise)
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beyond reason(expression, strange, fantastic, insane)
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bonkers(silly, unwise)
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cracked(silly, unwise)
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crazed(silly, unwise)
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cuckoo(silly, unwise)
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daft(silly, unwise)
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delirious(silly, unwise)
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demented(silly, unwise)
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deranged(silly, unwise)
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dingy(silly, unwise)
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dippy(silly, unwise)
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erratic(silly, unwise)
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fantastic(adjective, silly, unwise, impractical)
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flaky(silly, unwise)
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flipped(silly, unwise)
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APASmart Define. (2015). ill-conceived thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/ill-conceived/thesaurus/synonyms
ChicagoSmart Define. 2015. "ill-conceived thesaurus" https://smartdefine.org/ill-conceived/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, ill-conceived thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/ill-conceived/thesaurus/synonyms>.
MLASmart Define. "ill-conceived thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/ill-conceived/thesaurus/synonyms>