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