adjective
- Not having official authority or sanction.
- usage: "a sort of unofficial mayor"; "an unofficial estimate"; "he participated in an unofficial capacity"
- Not officially established.
- usage: "the early election returns are unofficial"
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). unofficial. Retrieved September 20, 2026, from http://smartdefine.org/unofficial/definitions/1186999 |
| Chicago | WordNet. 2010. "unofficial" http://smartdefine.org/unofficial/definitions/1186999 (accessed September 20, 2026). |
| Harvard | WordNet 2010, unofficial, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/unofficial/definitions/1186999>. |
| MLA | WordNet. "unofficial" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/unofficial/definitions/1186999> |