- Definitions|0
- Thesaurus|113
- Abbreviations|0
53 entries under adjective topic. ×
| dopey | |
| dull-witted | |
| dumb | |
| feather-headed | |
| halfwitted | |
| idiotic | |
| mindless | |
| slow-witted | |
| stolid | |
| Boeotian | |
| addle-brained | |
| addle-headed | |
| addled | |
| bovine | |
| cretinous | |
| dense | |
| doltish | |
| dozy | |
| dull | |
| gormless |
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| APA | Smart Define. (2011). feather-brained thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/feather-brained/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "feather-brained thesaurus" https://smartdefine.org/feather-brained/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2011, feather-brained thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/feather-brained/thesaurus/synonyms>. |
| MLA | Smart Define. "feather-brained thesaurus" 29 May 2011. Web. 25 September 2026. <https://smartdefine.org/feather-brained/thesaurus/synonyms> |