gamechanger
nounUK /ˈɡeɪmˌtʃeɪn.dʒə/
US /ˈɡeɪmˌtʃeɪn.dʒɚ/
A gamechanger is something new that changes how things are done.
The new bike was a gamechanger for her daily ride to school.
RELATED WORDS
OTHER MEANINGS
2. A person who greatly changes the outcome of a situation or competition.
The young coach turned out to be a real gamechanger for the team.
3. A product or idea that completely changes an industry or activity.
Smartphones were a gamechanger for how people take photos.
4. A decisive moment that alters the course of events.
The final goal was the gamechanger in the match.