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- Thesaurus|125
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61 entries under adjective topic. ×
| dim-witted | |
| dopey | |
| dull-witted | |
| dumb | |
| feather-headed | |
| feeble-minded | |
| imbecile | |
| mindless | |
| obtuse | |
| slow-witted | |
| stolid | |
| thick | |
| thickheaded | |
| thimble-witted | |
| unintelligent | |
| Boeotian | |
| addle-brained | |
| addled | |
| airheaded | |
| bovine |
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| APA | Smart Define. (2011). bird-brained thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/bird-brained/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "bird-brained thesaurus" https://smartdefine.org/bird-brained/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2011, bird-brained thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/bird-brained/thesaurus/synonyms>. |
| MLA | Smart Define. "bird-brained thesaurus" 29 May 2011. Web. 26 September 2026. <https://smartdefine.org/bird-brained/thesaurus/synonyms> |