68 entries under stupid topic. ×

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mentally deficient(expression, silly, foolish)
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mentally handicapped(expression, silly, foolish)
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not intelligent(expression, silly, foolish)
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regardless(careless, unthinking, obtuse, unperceptive)
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remiss(careless, unthinking, obtuse, unperceptive)
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undiscerning(careless, unthinking, obtuse, unperceptive)
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unobservant(careless, unthinking, obtuse, unperceptive)
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unreflective(careless, unthinking, obtuse, unperceptive)
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APASmart Define. (2015). empty-headed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/empty-headed/thesaurus/synonyms
ChicagoSmart Define. 2015. "empty-headed thesaurus" https://smartdefine.org/empty-headed/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, empty-headed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/empty-headed/thesaurus/synonyms>.
MLASmart Define. "empty-headed thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/empty-headed/thesaurus/synonyms>