1. To put somewhere to be destroyed because not wanted.
He didn't need the brush anymore so he threw it out.
Syn.: THROW AWAY (1).
2. To refuse to accept.
The inspector tossed out all the parts that didn't work.
3. To force to leave; dismiss.
When the employees complained too loudly, the owner threw them out.
4. To cause to be out in baseball by throwing the ball.
The shortstop tossed the runner out.