noun
- A facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement.
verb
- To draw back the lips and reveal the teeth, in a smile, grimace, or snarl. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). grin. Retrieved September 20, 2026, from http://smartdefine.org/grin/definitions/1283238 |
| Chicago | WordNet. 2010. "grin" http://smartdefine.org/grin/definitions/1283238 (accessed September 20, 2026). |
| Harvard | WordNet 2010, grin, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/grin/definitions/1283238>. |
| MLA | WordNet. "grin" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/grin/definitions/1283238> |