noun
- Key that secures entrance everywhere.
- synonyms: passkey, passe-partout, master
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). master key. Retrieved September 20, 2026, from http://smartdefine.org/master_key/definitions/1293917 |
| Chicago | WordNet. 2010. "master key" http://smartdefine.org/master_key/definitions/1293917 (accessed September 20, 2026). |
| Harvard | WordNet 2010, master key, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/master_key/definitions/1293917>. |
| MLA | WordNet. "master key" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/master_key/definitions/1293917> |