noun
- A personal letter to a loved one expressing affection.
- synonyms: love letter
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). billet doux. Retrieved September 20, 2026, from http://smartdefine.org/billet_doux/definitions/1260367 |
| Chicago | WordNet. 2010. "billet doux" http://smartdefine.org/billet_doux/definitions/1260367 (accessed September 20, 2026). |
| Harvard | WordNet 2010, billet doux, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/billet_doux/definitions/1260367>. |
| MLA | WordNet. "billet doux" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/billet_doux/definitions/1260367> |