In play

You mustn't take what I said so seriously, it was only said in play.

It's hard to tell which physical forces are in play at this altitude.

This deadly scenario with this hurricane is still in play, so please take precaution.

now everything is in play

The ball is in play for an average of just seven minutes out of a sixty-minute game.

Though the state has not changed hands in 20 years, the latest polls suggest it may now be in play.

Despite the best efforts of the executive committee, it seems the company is now in play.