stunner

[ stuhn-er ]
/ ˈstʌn ər /

noun

a person or thing that stuns.
Informal. a person or thing of striking excellence, beauty, achievement, etc.

Origin of stunner

First recorded in 1840–50; stun + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for stunner

stunner

/ (ˈstʌnə) /

noun

informal a person or thing of great beauty, quality, size, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012