game-changer

American  

[geym-cheyn-jer] / ˈgeɪmˌtʃeɪn dʒər /

Or game changer

noun

1. Sports. an athlete, play, etc., that suddenly changes the outcome of a game or contest.

2. 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.

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Other Word Forms

• game-changing adjective

Etymology

Origin of game-changer

First recorded in 1960–65

Example Sentences

So, could the SJ-100 project indeed be a game-changer?

From BBC

“If we have Asian forces in the Atlantic, it would be a huge game-changer. And we need to be prepared for that.”

From The Wall Street Journal

A year on, they were the eighth biggest-selling act in the world, with critics calling their blend of 1990s R&B and sugar-coated pop melodies a "game-changer".

From BBC

For the Cook Islands, it could be a game-changer.

From The Wall Street Journal

It would be a game-changer for a U.S. housing market plagued by unaffordability and insufficient supply — especially for younger Americans largely shut out by a lack of affordable entry-level homes.

From MarketWatch