96 entries under dull topic. ×
| futile(unintelligent, witless) | |
| ill-advised(foolish, stupid, unintelligent, dumb) | |
| inactive(adjective, heavy, stupid, impassive) | |
| indiscreet(unintelligent, witless) | |
| inert(adjective, heavy, stupid, impassive) | |
| irrelevant(unintelligent, witless) | |
| laughable(unintelligent, witless) | |
| loser(unintelligent, witless) | |
| nonsensical(foolish, stupid, unintelligent, dumb) | |
| out to lunch(expression, idiom, unintelligent, witless) | |
| passive(adjective, heavy, stupid, impassive) | |
| rash(unintelligent, witless) | |
| shortsighted(unintelligent, witless) | |
| slow on uptake(expression, adjective, idiom, slow) | |
| supine(adjective, heavy, stupid, impassive) | |
| trivial(unintelligent, witless) |
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| APA | Smart Define. (2015). dense thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dense/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dense thesaurus" https://smartdefine.org/dense/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, dense thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dense/thesaurus/synonyms>. |
| MLA | Smart Define. "dense thesaurus" 17 July 2015. Web. 26 September 2026. <https://smartdefine.org/dense/thesaurus/synonyms> |