noun
- An extremely dangerous or difficult mission. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). mission impossible. Retrieved September 20, 2026, from http://smartdefine.org/mission_impossible/definitions/1191853 |
| Chicago | WordNet. 2010. "mission impossible" http://smartdefine.org/mission_impossible/definitions/1191853 (accessed September 20, 2026). |
| Harvard | WordNet 2010, mission impossible, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/mission_impossible/definitions/1191853>. |
| MLA | WordNet. "mission impossible" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/mission_impossible/definitions/1191853> |