noun the act of overthrowing; the state of being overthrow; ruin.
2. overthrow ·noun the act of throwing a ball too high, as over a player's head.
3. overthrow ·noun a faulty return of the ball by a fielder, so that the striker makes an additional run.
4. overthrow ·vt to throw over; to overturn; to upset; to turn upside down.
5. overthrow ·vt to cause to fall or to fail; to subvert; to defeat; to make a ruin of; to destroy.