96 entries under stupid topic. ×

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doublespeak(adjective, silly, insignificant, ridiculous)
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fatheaded(dull, slow)
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impassive(dull, slow)
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indolent(adjective, simple, slow, sluggish)
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insignificant(adjective, silly, ridiculous, absurd)
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lethargic(dull, slow)
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mentally deficient(expression, silly, foolish)
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not bright(expression, adjective, simple, slow)
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not intelligent(expression, silly, foolish)
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oafish(dull, slow)
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phlegmatic(dull, slow)
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purportless(adjective, silly, insignificant, unreasonable)
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torpid(dull, slow)
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unimportant(adjective, silly, insignificant, ridiculous)
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unmeaning(adjective, silly, insignificant, ridiculous)
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wearisome(adjective, simple, slow, sluggish)
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APASmart Define. (2015). imbecilic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/imbecilic/thesaurus/synonyms
ChicagoSmart Define. 2015. "imbecilic thesaurus" https://smartdefine.org/imbecilic/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, imbecilic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/imbecilic/thesaurus/synonyms>.
MLASmart Define. "imbecilic thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/imbecilic/thesaurus/synonyms>