93 entries under silly topic. ×

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foolhardy(foolish, unwise)
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foolish
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goofy(foolish, unwise)
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half-baked(foolish, unwise)
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harebrained(foolish, unwise)
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ill-conceived(adjective, wild, foolish, senseless)
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impracticable(foolish, unwise)
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imprudent(foolish, unwise)
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inane(foolish, unwise)
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inappropriate(foolish, unwise)
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irrational(foolish, unwise)
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irresponsible(foolish, unwise)
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loony(foolish, unwise, unglued, well-built)
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ludicrous(foolish, unwise)
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nonsensical(foolish, unwise)
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odd(foolish, unwise)
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out of all reason(expression, adjective, idiom, wild)
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outlandish(foolish, unwise)
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outrageous(foolish, unwise)
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peculiar(foolish, unwise)
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APASmart Define. (2013). screw loose thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/screw_loose/thesaurus/synonyms
ChicagoSmart Define. 2013. "screw loose thesaurus" https://smartdefine.org/screw_loose/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2013, screw loose thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/screw_loose/thesaurus/synonyms>.
MLASmart Define. "screw loose thesaurus" 19 May 2013. Web. 29 September 2026. <https://smartdefine.org/screw_loose/thesaurus/synonyms>