game-changer
Americannoun
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Sports. an athlete, play, etc., that suddenly changes the outcome of a game or contest.
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a person or thing that dramatically changes the course, strategy, character, etc., of something.
Social media has been a real game-changer in the company’s marketing efforts.
Other Word Forms
Etymology
Origin of game-changer
First recorded in 1960–65
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.
So while flow batteries are regarded as a potential game-changer in the renewable energy race to net zero, they have not been developed widely due to cost and geopolitical constraints.
From BBC ● Jul. 20, 2026
"I think this could be a game-changer," Bernhard Kowatsch, head of WFP's global accelerator and ventures innovation division, told AFP.
From Barron's ● Jul. 10, 2026
The unlimited connections policy is a game-changer that few competitors match.
From Salon ● Jun. 17, 2026
The drama series about female wrestlers demanded I be physically strong—a new value system and a mental game-changer.
From The Wall Street Journal ● Jun. 2, 2026
“If you want to go to an office, it’s a game-changer for your career, and employers want to invest in those who are committed to learning and adding value,” she said.
From MarketWatch ● Jun. 2, 2026
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.
