123 entries under silly topic. ×

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foolhardy(foolish, unwise)
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gung ho(expression, adjective, foolish, crazy)
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half-baked(simple, foolish, unsound, unwise)
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hare-brained(adjective, foolish, crazy, zany)
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ill-conceived(foolish, unwise)
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impracticable(foolish, unwise)
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imprudent(foolish, unwise)
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inappropriate(foolish, unwise)
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ludicrous(foolish, stupid, unwise)
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nonsensical(foolish, crazy, mad, unwise)
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out of all reason(expression, idiom, foolish, unwise)
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outrageous(foolish, unwise)
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puerile(foolish, unwise)
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quixotic(foolish, unwise)
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short-sighted(foolish, unwise)
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simple(foolish, stupid, unsound, eccentric)
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unpredictable(adjective, foolish, crazy, zany)
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unrealistic(foolish, unwise)
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unreasonable(foolish, stupid, hot, feverish)
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unwise
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APASmart Define. (2015). deranged thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deranged/thesaurus/synonyms
ChicagoSmart Define. 2015. "deranged thesaurus" https://smartdefine.org/deranged/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, deranged thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deranged/thesaurus/synonyms>.
MLASmart Define. "deranged thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/deranged/thesaurus/synonyms>