game-changing

American  

[gaym-chaynj-ing] / ˈgeɪmˌtʃeɪndʒ ɪŋ /

adjective

1. causing a dramatic change to a situation; transformative.

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Example Sentences

The title "Battle of the Sexes" harks back to the meeting between King and Bobby Riggs in September 1973, in what was a game-changing moment for the sport.

From Barron's

About 12% of Americans say they are taking a GLP-1 drug, the game-changing medication used to treat conditions like obesity, sleep apnea and Type 2 diabetes.

From MarketWatch

His job title—law professor—doesn’t even begin to describe the range and importance of his contribution to this country as an academic pioneer, nor the game-changing role he played in the evolution of a commercial legal system in post-Mao China.

From The Wall Street Journal

Asked later if it felt like a backward pass, Darnold had a half-smile and said, “Um, yeah. It felt like I threw it kind of right on the side. I’m glad Charbs picked it up, and that turned out to be a game-changing play.”

From Los Angeles Times

But that all changed in 2024 when she received a "game-changing diagnosis" of coeliac disease, an autoimmune condition whereby consuming gluten causes the body's immune system to attack internal organs, including the small intestine.

From BBC