127 entries under foolish topic. ×

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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, stupid, absurd, unwise)
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erratic(silly, unwise)
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flaky(silly, unwise)
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flipped(silly, unwise)
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flipped out(expression, silly, unwise)
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freaked out(expression, silly, unwise)
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fruity(silly, unwise)
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hasty(rash, risky, imprudent, misguided)
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improvident(rash, risky, imprudent, misguided)
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kooky(silly, unwise)
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lunatic(silly, unwise)
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mad(silly, unwise)
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mad as a March hare(expression, idiom, silly, unwise)
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mad as a hatter(expression, idiom, silly, unwise)
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APASmart Define. (2016). inappropriate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inappropriate/thesaurus/synonyms
ChicagoSmart Define. 2016. "inappropriate thesaurus" https://smartdefine.org/inappropriate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, inappropriate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inappropriate/thesaurus/synonyms>.
MLASmart Define. "inappropriate thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/inappropriate/thesaurus/synonyms>