Meaning 1 ►▼
the ball has been hit in the ballpark
The batter has a triple; it is still in the ball park. He hit it out of the park yesterday. He had a home run.
Meaning 2 ►▼
"In the ballpark" is a common idiom used in business or politics, usually in negotiations. If a number is in the ball park, it could be considered worth negotiating. It is not a final agreement. If it is "out of the park, " it probably is not worth agonizing over to achieve a settlement.
One million dollars is worth talking about. It is in the ballpark.
The ballpark is probably derived from a baseball park.