Synonyms|73Antonyms|1|Broader|0Narrower|0Related|3
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half-witted(silly, foolish, stupid)
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imbecilic(silly, foolish, stupid)
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inane(silly, foolish, stupid)
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meaningless(silly, foolish, stupid)
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mentally handicapped(expression, silly, foolish, stupid)
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mindless(silly, foolish, stupid)
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not intelligent(expression, silly, foolish, stupid)
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pointless(silly, foolish, stupid)
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silly(foolish, stupid)
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slow(silly, foolish, stupid)
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stupid(silly, foolish)
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thick-headed(silly, foolish, stupid)
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unthinking(silly, foolish, stupid)
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APASmart Define. (2015). mentally deficient thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/mentally_deficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "mentally deficient thesaurus" https://smartdefine.org/mentally_deficient/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mentally deficient thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mentally_deficient/thesaurus/synonyms>.
MLASmart Define. "mentally deficient thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/mentally_deficient/thesaurus/synonyms>