noun
- An unpredictable phenomenon.
- usage: "it's a toss-up whether he will win or lose"
- synonyms: tossup, even chance
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). toss-up. Retrieved September 20, 2026, from http://smartdefine.org/toss-up/definitions/1316729 |
| Chicago | WordNet. 2010. "toss-up" http://smartdefine.org/toss-up/definitions/1316729 (accessed September 20, 2026). |
| Harvard | WordNet 2010, toss-up, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/toss-up/definitions/1316729>. |
| MLA | WordNet. "toss-up" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/toss-up/definitions/1316729> |