What is the meaning of upsetter?

noun

  • An unexpected winner; someone who defeats the favorite competitor. .
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APAWordNet. (2010). upsetter. Retrieved September 26, 2026, from http://smartdefine.org/upsetter/definitions/1232705
ChicagoWordNet. 2010. "upsetter" http://smartdefine.org/upsetter/definitions/1232705 (accessed September 26, 2026).
HarvardWordNet 2010, upsetter, Smart Define, viewed 26 September, 2026, <http://smartdefine.org/upsetter/definitions/1232705>.
MLAWordNet. "upsetter" 23 October 2010. Web. 26 September 2026. <http://smartdefine.org/upsetter/definitions/1232705>