87 entries under expression topic. ×

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make one stare(idiom, wonder)
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matter of fact(idiom, heavy, stupid)
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mentally deficient(silly, foolish, stupid)
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not bright(adjective, simple, slow, stupid)
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not intelligent(silly, foolish, stupid)
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not sensible
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not talkativ(quiet, soft, silent)
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out of all reason(idiom, impractical, half-baked, doomed)
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out to lunch(idiom, dull, unintelligent, witless)
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put to silence(idiom, aphony)
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render humble(idiom, humility)
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render mute(idiom, aphony)
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render silent(idiom, aphony)
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settle down(verb, calm, dull, quiet)
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simple minded
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sitting on(verb, dull, quell, quieten)
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slow on uptake(adjective, idiom, dull, slow)
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stop one's mouth(idiom, aphony)
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strike with awe(idiom, wonder)
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strike with wonder(idiom, wonder)
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APASmart Define. (2016). dumb thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dumb/thesaurus/synonyms
ChicagoSmart Define. 2016. "dumb thesaurus" https://smartdefine.org/dumb/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, dumb thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dumb/thesaurus/synonyms>.
MLASmart Define. "dumb thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/dumb/thesaurus/synonyms>