107 entries under silly topic. ×

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delirious(foolish, unwise)
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demented(foolish, unwise)
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deranged(foolish, unwise)
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dingy(foolish, unwise)
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dippy(foolish, unwise)
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erratic(foolish, unwise)
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flaky(happy, foolish, unwise, fortunate)
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flipped(foolish, unwise)
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flipped out(expression, foolish, unwise)
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floating(happy, fortunate, unlikely, unreal)
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freaked out(expression, foolish, unwise)
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fruity(foolish, unwise)
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gone(impractical, unlikely, unreal, idealistic)
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irrational(foolish, unwise)
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kooky(foolish, unwise)
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lunatic(foolish, unwise)
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mad as a March hare(expression, idiom, foolish, unwise)
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mad as a hatter(expression, idiom, foolish, unwise)
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maniacal(foolish, unwise)
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mentally strange(expression, foolish, unwise)
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APASmart Define. (2016). quixotic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/quixotic/thesaurus/synonyms
ChicagoSmart Define. 2016. "quixotic thesaurus" https://smartdefine.org/quixotic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, quixotic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/quixotic/thesaurus/synonyms>.
MLASmart Define. "quixotic thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/quixotic/thesaurus/synonyms>