A game

noun

Definition of A game

one's A game
: one's highest level of play or performance
  • If we don't bring our A game with us, we don't have a chance.
  • —Tom Kellyquoted in New York Times14 Aug. 2001
  • … let me tell you something: I can still pitch. I might not have my A game every night, but like I tell the young guys, you've got to go and win when things don't feel just right.
  • —Roger Clemensquoted in Sports Illustrated31 Mar. 1997

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First Known Use of a game

1993

in the meaning defined above

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very hard to disturb or upset

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