adjective
- Used informally. ( stupid).
- synonyms: blockheaded, boneheaded, duncical, duncish, fatheaded, loggerheaded, thick, thick-skulled, wooden-headed
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). thickheaded. Retrieved September 21, 2026, from http://smartdefine.org/thickheaded/definitions/1185296 |
| Chicago | WordNet. 2010. "thickheaded" http://smartdefine.org/thickheaded/definitions/1185296 (accessed September 21, 2026). |
| Harvard | WordNet 2010, thickheaded, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/thickheaded/definitions/1185296>. |
| MLA | WordNet. "thickheaded" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/thickheaded/definitions/1185296> |