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 Words From

• game-changing adjective

Word History and Origins

Origin of game-changer¹

First recorded in 1960–65

Example Sentences

Ontario Christian and first-year coach Aundre Cummings get to work with Douglas, whose size makes her a game-changer in girls basketball.

From Los Angeles Times

Rick Staddon, owner of Vitality Personal Training in Calabasas, says his clients comment that getting stronger has been a game-changer.

From Los Angeles Times

“It'll be a game-changer, decreasing the environmental impact across our whole transport sector,” says Salomets, who foresees big economic benefits.

From BBC

While offering to support the new initiative, the World Bank's Trina Haque, described it as a "game-changer".

From BBC

Consultant neurosurgeon Anastasios Giamouriadis has adapted the already-existing eyebrow technique to enable him to now remove larger growths - a development which he described as a "game-changer".

From BBC