53 entries under simple topic. ×
| stupid(noun, adjective, dull, ability) | |
| foolish(adjective, dull, slow, silly) | |
| dull(verb, adjective, calm, quiet) | |
| idiotic(adjective, dull, slow, silly) | |
| moronic(adjective, dull, slow, silly) | |
| doltish(adjective, dull, ability, slow) | |
| thick(adjective, dull, ability, slow) | |
| dense(adjective, dull, ability, slow) | |
| dim-witted(adjective, dull, slow, foolish) | |
| dim(adjective, dull, slow, foolish) | |
| obtuse(adjective, dull, ability, slow) | |
| brainless(adjective, dull, slow, silly) | |
| slow(adjective, dull, heavy, silly) | |
| feeble-minded(adjective, dull, slow, foolish) | |
| dopey(adjective, dull, slang, ability) | |
| half-witted(adjective, dull, slow, silly) | |
| imbecilic(adjective, dull, slow, silly) | |
| inane(adjective, dull, slow, silly) | |
| stolid(adjective, dull, slow, foolish) | |
| unintelligent(adjective, dull, slow, silly) |
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| APA | Smart Define. (2016). dumb thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/dumb/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dumb thesaurus" https://smartdefine.org/dumb/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, dumb thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/dumb/thesaurus/synonyms>. |
| MLA | Smart Define. "dumb thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/dumb/thesaurus/synonyms> |