128 entries under dull topic. ×
| naive(unintelligent, witless) | |
| oafish(adjective, simple, slow, stupid) | |
| opaque(adjective, silly, foolish, stupid) | |
| inert(adjective, heavy, stupid, impassive) | |
| insensate(adjective, simple, slow, informal) | |
| numskulled(adjective, simple, slow, stupid) | |
| sluggish(adjective, simple, slow, silly) | |
| heavy(adjective, silly, stupid, impassive) | |
| laughable(adjective, unintelligent, witless) | |
| choke off(verb, expression, phrasal verb, calm) | |
| clam(verb, calm, quiet, suppress) | |
| clam up(verb, expression, phrasal verb, calm) | |
| close up(verb, expression, phrasal verb, calm) | |
| cool it(verb, expression, phrasal verb, calm) | |
| cut off(verb, expression, calm, quiet) | |
| cut short(verb, expression, calm, quiet) | |
| dampen(verb, calm, quiet, suppress) | |
| dazed(shaky, faint, confused, unintelligent) | |
| deaden(verb, calm, quiet, suppress) | |
| decrease the volume(verb, expression, idiom, calm) |
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| APA | Smart Define. (2016). dumb thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dumb/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dumb thesaurus" https://smartdefine.org/dumb/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, dumb thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dumb/thesaurus/synonyms>. |
| MLA | Smart Define. "dumb thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/dumb/thesaurus/synonyms> |