119 entries under silly topic. ×

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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, stupid, absurd, unwise)
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erratic(foolish, unwise)
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fantastic(foolish, unwise, impractical, half-baked)
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flaky(foolish, unwise)
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flipped(foolish, unwise)
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flipped out(expression, foolish, unwise)
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freaked out(expression, foolish, unwise)
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fruity(foolish, unwise)
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kooky(foolish, unwise)
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lunatic(foolish, unwise, unintelligent, unaware)
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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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mental(foolish, unwise)
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mentally strange(expression, foolish, unwise)
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moonstruck(foolish, unwise)
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nuts(foolish, unwise)
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APASmart Define. (2015). puerile thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/puerile/thesaurus/synonyms
ChicagoSmart Define. 2015. "puerile thesaurus" https://smartdefine.org/puerile/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, puerile thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/puerile/thesaurus/synonyms>.
MLASmart Define. "puerile thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/puerile/thesaurus/synonyms>