Definitions

1. verb

to have priority over something else or to take precedence over it

“The new policy will override the existing one.”

2. verb

to control or direct the movement of something, especially a vehicle, so that it goes in a different direction

“The driver had to override the autopilot system to avoid the obstacle.”

3. noun

a signal or command that takes precedence over other signals or commands

“The override switch is located on the dashboard.”