- Definitions|1
- Thesaurus|278
- Abbreviations|0
97 entries under noun topic. ×
| lunkhead | |
| sap(simple, fool, innocent, jerk) | |
| schmo(simple, prompt, fool, silly) | |
| schmuck(simple, prompt, fool, silly) | |
| silly(simple, fool, innocent, jerk) | |
| simple(adjective, fool, silly, innocent) | |
| Psychology retardate | |
| booby | |
| boofhead | |
| clodpate | |
| clodpole | |
| coot | |
| cully | |
| ding-a-ling | |
| dingbat | |
| dullness | |
| easy as ABC(expression, idiom, turkey, dunderhead) | |
| feather-brain | |
| flake | |
| flathead |
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| APA | Smart Define. (2015). birdbrain thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/birdbrain/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "birdbrain thesaurus" https://smartdefine.org/birdbrain/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, birdbrain thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/birdbrain/thesaurus/synonyms>. |
| MLA | Smart Define. "birdbrain thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/birdbrain/thesaurus/synonyms> |