game-changer

Or game chang·er

[geym-cheyn-jer]

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.

Other Word Forms

• game-changing adjective

Word History and Origins

Origin of game-changer¹

First recorded in 1960–65

Example Sentences

Hydrogen has been touted as a potential energy game-changer that could decarbonise industry and heavy transport.

Read more on Barron's

But for the right friend — and it’s likely that, in Los Angeles, you have a friend with an unpublished novel or screenplay — this gift could be a game-changer.

Read more on Los Angeles Times

Critics had called them a "game-changer" as their blend of 1990s R&B and sugar-coated pop melodies broke through a K-pop scene dominated by electronic beats.

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"This is a real game-changer," said Dr. Merja Joensuu, who conceived the project and led the study at the Australian Institute for Bioengineering and Nanotechnology.

Read more on Science Daily

Back in the early days of ChatGPT, some dubbed it the "Google killer" - a game-changer which would make online search as we know it redundant.

Read more on BBC