plural ballparks
: a park in which baseball games are played : a baseball park or stadium
hit a home run out of the ballpark
always used before a noun
: not exact but close in number or amount : approximately correct
She gave us a ballpark price of $5,000. [=she said it could cost about $5,000]
We don't know exactly how many people live in this city, but a ballpark figure/estimate would be about two million.
Cite this Entry
“Ballpark.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/ballpark. Accessed 17 Apr. 2026.
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