Override (verb)

1. To set aside or make ineffective a previous decision or action.
2. To take precedence over or have more authority than something else.
3. To operate or control something manually or directly, bypassing the usual automatic controls.

Origin:

The word "override" comes from the prefix "over-" which means "above" or "on top" and the verb "ride" which means "to go on top of something". it was first used in english in the early 1500s.

Examples:

1. The president overrode the veto of the bill.
2. The emergency brake override allows the driver to stop the car even if the accelerator is pressed.
3. The court overruled the previous decision of the lower court.
4. The manager overrode the decision of the team leader.
5. He overrode the computer's instructions and manually shut down the system.