a number that is near the total; approximate figure
Fifty is a ball-park figure. It's close to our class size.
An annoying, grossly over-used term that dumb idiots think will make them sound cool if they use.
Some idiot called me at the office asking me to give him a "ball-park figure" on a divorce. I thought "WTF? Since when do divorce cases have anything to do with a baseball game?"