automatic pilot
ˌautomatic ˈpilot
noun [uncountable and countable]
1. a machine that flies a plane by itself without the need for a pilot
2. on automatic pilot doing something without thinking about it, especially because you have done it many times before:
Moving on automatic pilot, she tidied the room.
ˌautomatic ˈpilot
noun [uncountable and countable]1. a machine that flies a plane by itself without the need for a pilot
2. on automatic pilot doing something without thinking about it, especially because you have done it many times before: