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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 like that, which bounced from back to front continuously for 90 minutes will certainly not be missed by our top teams in the Premier League, who strive to bring games under their control.

From BBC • May 15, 2026

Meryl Streep, Anne Hathaway and Emily Blunt brought their A game, embracing method dressing without going overboard.

From Los Angeles Times • Apr. 21, 2026

A game of bowling at Tenpin costs £38.50 making the total night out £212.50.

From BBC • Mar. 23, 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

“This is no fun. A game should be fun.”

From "The Milagro Beanfield War" by John Nichols