92 entries under foolish topic. ×

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foolhardy(silly, unwise)
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goofy(silly, unwise)
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half-baked(silly, unwise)
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harebrained(silly, unwise)
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ill-conceived(adjective, wild, silly, senseless)
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impracticable(silly, unwise)
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imprudent(silly, unwise)
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inane(silly, unwise)
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inappropriate(silly, unwise)
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irrational(silly, unwise)
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irresponsible(silly, unwise)
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loony(silly, unwise, unglued, well-built)
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ludicrous(silly, unwise)
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nonsensical(silly, unwise)
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odd(silly, unwise)
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out of all reason(expression, adjective, idiom, wild, silly)
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outlandish(silly, unwise)
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outrageous(silly, unwise)
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peculiar(silly, unwise)
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preposterous(silly, unwise)
15 years ago|232 views|share |citing 
APASmart Define. (2011). bats in the belfry thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/bats_in_the_belfry/thesaurus/synonyms
ChicagoSmart Define. 2011. "bats in the belfry thesaurus" https://smartdefine.org/bats_in_the_belfry/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2011, bats in the belfry thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/bats_in_the_belfry/thesaurus/synonyms>.
MLASmart Define. "bats in the belfry thesaurus" 20 May 2011. Web. 1 October 2026. <https://smartdefine.org/bats_in_the_belfry/thesaurus/synonyms>