American English

Definition of ball game noun from the Oxford Advanced American Dictionary

     

    ball game

     noun
    noun
     
     
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  1. 1any game played with a ball
  2. 2 a game of baseball Are you going to the ball game?
  3. Idioms
    a (whole) different/new ball game (informal)
     
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    a completely different kind of situation Camping in summer is fun, but in winter it's a whole different ball game.
See the Oxford Advanced Learner's Dictionary entry: ball game