90 entries under dull topic. ×

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futile(unintelligent, witless)
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irrelevant(unintelligent, witless)
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laughable(unintelligent, witless)
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loser(unintelligent, witless)
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ludicrous(unintelligent, witless)
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meaningless(senseless, unnecessary, unintelligent, witless)
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out to lunch(expression, idiom, unintelligent, witless)
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passive(adjective, heavy, stupid, impassive)
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shortsighted(unintelligent, witless)
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unexcitable(adjective, heavy, stupid, impassive)
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APASmart Define. (2015). obtuse thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/obtuse/thesaurus/synonyms
ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>