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• A game
  A game

  noun

  a person’s best effort, abilities, or achievement.
• 'A' game
  'A' game

  noun

  one's best possible performance, esp in the phrase to bring or take one's 'A' game

A game

American  

Or A-game,

noun

Informal.

1. a person’s best effort, abilities, or achievement.

   The candidate brought her A game to the debate.

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'A' game British  

noun

1. informal one's best possible performance, esp in the phrase to bring or take one's 'A' game

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Etymology

Origin of A game

In reference to a sports contest, with the letter A indicating peak performance

Example Sentences

A game of football, but also a fascinating and complex game of psychology.

From BBC • Jun. 21, 2026

Sherman Oaks Notre Dame hosts Ayala and standout pitcher Caleb Trugman in the other pool A game.

From Los Angeles Times • May 8, 2026

A game of energetic ping-pong unfolded underneath the gallery’s fluorescent light, beams of identification, recollections or stabs of grief bouncing off each piece in the exhibition.

From Los Angeles Times • Apr. 17, 2026

Opener Sahibzada Farhan hit a robust half-century to help Pakistan post 190-9 in their T20 World Cup Group A game against United States in Colombo on Tuesday.

From Barron's • Feb. 10, 2026

A game between two older girls’ teams was winding up on a nearby field.

From "Outcasts United: An American Town, a Refugee Team, and One Woman's Quest to Make a Difference" by Warren St. John