48 entries under dull topic. ×
| obtuse(unintelligent, witless) | |
| out to lunch(expression, idiom, unintelligent, witless) | |
| puerile(unintelligent, witless) | |
| rash(unintelligent, witless) | |
| shortsighted(unintelligent, witless) | |
| sluggish(unintelligent, witless, unaccustomed, unpracticed) | |
| stolid(unintelligent, witless) | |
| stupefied(unintelligent, witless) |
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| APA | Smart Define. (2015). deficient thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/deficient/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "deficient thesaurus" https://smartdefine.org/deficient/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, deficient thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/deficient/thesaurus/synonyms>. |
| MLA | Smart Define. "deficient thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/deficient/thesaurus/synonyms> |