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game changer

IdiomLevel B2

Something that completely changes a situation, usually for the better.

The new bus line is a game changer for my morning commute.

A game changer is something that changes a situation completely. Say 'It's a game changer for…'.

Your turn
What is a game changer in your daily life?

More idioms

hit a plateauIdiom · B2

When you hit a plateau, you stop making progress for a while.

hot under the collarIdiom · B2

Angry or annoyed, often over something small.

the ins and outsIdiom · B2

The ins and outs are all the small details of how something works.