- Definitions|2
- Thesaurus|281
- Abbreviations|0
possible profanity
| lame-brain | |
| loggerhead turtle(expression, idiom) | |
| lout | |
| lug | |
| lummox | |
| lump | |
| lumpish | |
| maniac | |
| meat-head | |
| meatball | |
| microbial strain(expression, idiom) | |
| mindless | |
| mome | |
| muggins | |
| mutt | |
| natural | |
| nimrod | |
| ninnyhammer | |
| nothing to it(noun, expression, idiom, turkey) | |
| original master(expression, idiom) |
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Dunderhead on
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| APA | Smart Define. (2015). dunderhead thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/dunderhead/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "dunderhead thesaurus" https://smartdefine.org/dunderhead/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, dunderhead thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/dunderhead/thesaurus/synonyms>. |
| MLA | Smart Define. "dunderhead thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/dunderhead/thesaurus/synonyms> |