be out of bounds

be out of bounds

1. Literally, to be beyond a designated boundary. No, that catch doesn't count because the player was out of bounds. I'm sorry, sir, I didn't realize we were out of bounds here. We'll get back on the trail now.
2. To act in an inappropriate or unacceptable way. That reporter's questions about my personal life were completely out of bounds!
3. To be forbidden or not allowed. I love going to the gym, but exercise is out of bounds until my ankle heals more.
See also: bound, of, out