'automatic pilot' definitions:

noun

A cognitive state in which you act without self-awareness; "she went about her chores on automatic pilot"; "too much of the writing seems to have been done on automatic pilot"; "she talked and he dozed and my mind went on autopilot" [syn: automatic pilot, autopilot]

noun

A navigational device that automatically keeps ships or planes or spacecraft on a steady course [syn: autopilot, automatic pilot, robot pilot]