verb
- Make flat or flatter.
- usage: "flatten a road"; "flatten your stomach with these exercises"
- Become flat or flatter.
- usage: "The landscape flattened"
- synonyms: flatten out
- Lower the pitch of (musical notes. ).
- synonyms: drop
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). flatten. Retrieved September 20, 2026, from http://smartdefine.org/flatten/definitions/1276505 |
| Chicago | WordNet. 2010. "flatten" http://smartdefine.org/flatten/definitions/1276505 (accessed September 20, 2026). |
| Harvard | WordNet 2010, flatten, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/flatten/definitions/1276505>. |
| MLA | WordNet. "flatten" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/flatten/definitions/1276505> |