American English

Definition of ballpark noun from the Oxford Advanced American Dictionary



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  1. 1[countable] a place where baseball is played
  2. 2[singular] an area or a range within which an amount is likely to be correct or something can be measured The offers for the contract were all in the same ballpark. If you said five million, you'd be in the ballpark. Give me a ballpark figure (= a number that is approximately right).
See the Oxford Advanced Learner's Dictionary entry: ballpark