ballpark
noun
Definitions
A field, stadium or park where ball, especially baseball, is played.
The general vicinity; somewhere close; a broad approximation.
Example: Let’s get in the ballpark, then worry about the fine details.
verb
Definitions
To make a rough estimate of.
Example: If you don’t have the exact expense total, just ballpark it.
adjective
Definitions
Approximate; close; on the right order of magnitude.