Definition of "out of bounds" in English

Prepositional phrase

1. Where one is prohibited to enter.

   • You can play wherever you want, but remember that the cemetery is out of bounds.

2. Beyond the bounds of civility, morality, or normality.

   • You were out of bounds to call him a criminal.

3. Outside the area of play; beyond the sideline of a playing field or court.

   • The ball went out of bounds.

Noun

1. A sideline marking the edge of a playing field or court.

2. An instance of a player or the ball going out of bounds.

3. Ground that one is not permitted to enter, or that is outside the permitted playing area.

   • Out of bounds starts at the white stake.