- Definitions|1
- Thesaurus|216
- Abbreviations|0
possible profanity
| numskull | |
| blockhead(noun, dummy) | |
| bonehead | |
| dunderhead | |
| lunkhead | |
| dunce(noun, person) | |
| hammerhead | |
| muttonhead | |
| loggerhead | |
| chowderhead | |
| clodpoll | |
| fathead | |
| moron | |
| pinhead | |
| chucklehead | |
| clodpate | |
| dolt | |
| donkey | |
| dope | |
| dork |
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Knucklehead on
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| APA | Smart Define. (2015). knucklehead thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/knucklehead/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "knucklehead thesaurus" https://smartdefine.org/knucklehead/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, knucklehead thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/knucklehead/thesaurus/synonyms>. |
| MLA | Smart Define. "knucklehead thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/knucklehead/thesaurus/synonyms> |