game-change
Americannoun
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a dramatic change in course, strategy, basic character, etc..
Her feelings for him have undergone a game-change.
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He was a game-change, and an asset to the company.
Etymology
Origin of game-change
First recorded in 2000–05
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
News & World Report observes, "The New York Republican primary may not have provided the proverbial game-change but it will almost certainly spur a narrative change."
From US News • Apr. 20, 2016
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.