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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 can't happen without two kits that distinguish the sides, and when you realise you can collect those, you think, I'm actually collecting pieces of a club's history."

From BBC • Apr. 25, 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 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

The group A game between Canada and the USA is widely expected to be a dress rehearsal for next week's gold medal match given their dominance over the rest of the world.

From BBC • Feb. 2, 2026

A game of darts which was going on at the other end of the room interrupted itself for perhaps as much as thirty seconds.

From "1984" by George Orwell