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on one's game

idiom

Definition of on one's game

: playing a sport or game well
  • She's really on her game tonight.
—often used figuratively
  • He was really on his game in last night's debate.

Word by Word Definitions

game play

  1. : activity engaged in for diversion or amusement : play

  2. : the equipment for a game

  3. : often derisive or mocking jesting : fun, sport

  1. : to play for a stake

  2. : to lose or squander by gambling

  3. : to take dishonest advantage of : cheat

  1. : having or showing a resolute unyielding spirit

  2. : willing or ready to proceed

  3. : of or relating to game

  1. : lame

See the full definition of game

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