Definitions of autonomous
(of a city, country, or other area) free to govern itself without intervention
The copper mine on Bougainville, an autonomous province of Papua New Guinea (PNG), could soon be reopened.
automatic; done by machine, robot, or software etc and independent of immediate human control or influence
The event will feature autonomous machines such as drones, trucks, and cars.
independent; able to make his, her, or its own decisions
Because of the autonomous nature of your role under your contract of employment, the duration of your working time is not measured.