ballpark
n. countablen. a range or area that is close to the right amount or number. You use it when you are guessing but want to be nearly correct.
n. an approximate range or area of precision, especially regarding numerical estimates. Often used in business contexts to indicate a figure is a reasonable guess.
Give me a ballpark figure for the repairs.
We don't need the exact budget today, but we need to be in the right ballpark before the meeting.
While the final costs will depend on the specific materials chosen, the initial quote provides a ballpark that allows the committee to decide if the project is feasible.
From ball + park. Sense 2 related to ballpark figure.
Commonly used in the idiomatic phrases 'in the ballpark' or 'ballpark figure'.