A-game Definition

āgām
noun
The best performance a competitor is capable of in a sports contest.
We'll have to bring our A-game to defeat the league champions.
American Heritage

One's best effort.

Wiktionary

Other Word Forms of A-game

Noun

Singular:
A-game
Plural:
a-games

Origin of A-game

  • From the use of the letter A to indicate the best

    From American Heritage Dictionary of the English Language, 5th Edition