48 entries under unintelligent topic. ×
| simple(adjective, dull, silly, foolish, stupid) | |
| stupid(adjective, dull, silly, foolish, intelligent) | |
| dull(adjective, witless) | |
| slow(adjective, dull, silly, foolish, stupid) | |
| thick(adjective, dull, simple, flat, poor) | |
| trivial(adjective, dull, weak, simple, slight) | |
| witless(adjective, dull, silly, foolish, stupid) | |
| brainless(dull, silly, foolish, stupid) | |
| dense(dull, silly, foolish, stupid) | |
| doltish(dull, silly, foolish, stupid) | |
| dumb(adjective, dull, silly, foolish, stupid) | |
| foolish(dull, silly, stupid, witless) | |
| half-baked(dull, bare, incomplete, witless) | |
| half-witted(dull, silly, foolish, stupid) | |
| idiotic(adjective, dull, silly, foolish, stupid) | |
| imbecilic(adjective, dull, silly, foolish, stupid) | |
| inane(dull, silly, foolish, stupid) | |
| meaningless(dull, silly, foolish, stupid) | |
| mindless(dull, silly, foolish, stupid) | |
| moronic(adjective, dull, silly, foolish, stupid) |
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| APA | Smart Define. (2015). deficient thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/deficient/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "deficient thesaurus" https://smartdefine.org/deficient/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, deficient thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/deficient/thesaurus/synonyms>. |
| MLA | Smart Define. "deficient thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/deficient/thesaurus/synonyms> |