Ballparkish

"I would admit that that figure — let's say it's a ballparkish kind of figure," he said. "We could have saved even more if they asked even more money and we didn't even give it to them […]

Source: wiktionary

While Who Gets Ahead? concludes that, broadly speaking, the range of estimates is ballparkish, the game is being played in a reasonably large stadium.

Source: wiktionary

They sound like what they probably are—ballparkish and high. Because odd amounts sound less susceptible, more real, and more like the result of considered deliberation, people are less inclined to negotiate any changes.

Source: wiktionary