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(silly, unwise)
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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)
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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, idiom, silly, unwise)
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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)
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APASmart Define. (2016). dingy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/dingy/thesaurus/synonyms
ChicagoSmart Define. 2016. "dingy thesaurus" https://smartdefine.org/dingy/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, dingy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/dingy/thesaurus/synonyms>.
MLASmart Define. "dingy thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/dingy/thesaurus/synonyms>