80 entries under foolish topic. ×

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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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puerile(silly, unwise)
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quixotic(silly, unwise)
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ridiculous(silly, unwise)
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senseless(silly, unwise)
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short-sighted(silly, unwise)
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strange(silly, unwise)
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stupid(silly, unwise)
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unrealistic(silly, unwise)
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unwise
0
unworkable(silly, unwise)
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zany(silly, unwise)
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APASmart Define. (2016). unzipped thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unzipped/thesaurus/synonyms
ChicagoSmart Define. 2016. "unzipped thesaurus" https://smartdefine.org/unzipped/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unzipped thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unzipped/thesaurus/synonyms>.
MLASmart Define. "unzipped thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/unzipped/thesaurus/synonyms>