1. 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: autopilot • Hypernyms: unconsciousness 2. a navigational device that automatically keeps ships or planes or spacecraft on a steady course • Syn: autopilot, robot pilot • Hypernyms: device • Part Meronyms: inertial guidance system, inertial navigation system