game-change

or game change

[ geym-cheynj ]

noun

1. a dramatic change in course, strategy, basic character, etc.:

   Her feelings for him have undergone a game-change.

2. game-changer:

   He was a game-change, and an asset to the company.

Word History and Origins

Origin of game-change¹

First recorded in 2000–05

Example Sentences

And now, he's going to have even more cred among the win-the-morning-Game-Change crowd that sets the conventional wisdom.

From The Daily Beast

Fox edged a bit closer to the center, and Palin began to seem more the Julianne Moore of Game Change than a political force.

From The Daily Beast

Homeland, Game Change, and Modern Family win big—and Mad Men loses for the first time.

From The Daily Beast

John Heilemann, who knows a game change when he sees it, rendered a damning verdict in New York: “Romney … badly missed the mark.”

From The Daily Beast

With Game Change, did you ever hear back from the Palin or McCain camps on their reactions to the film?

From The Daily Beast