The definition of autonomous is a person or entity that is self-controlling and not governed by outside forces.(adjective)
An example of autonomous is agovernment that can run itself without aid from an outside country.
See autonomous in Webster's New World College Dictionary
Origin: Gr autonomos, independent < autos, self + nomos, law: see -nomy
See autonomous in American Heritage Dictionary 4
Origin: From Greek autonomos
Origin: : auto-, auto-
Origin: + nomos, law; see nem- in Indo-European roots.
Learn more about autonomous