1. Not controlled by others or by outside forces; independent: an autonomous judiciary; an autonomous division of a corporate conglomerate.2. Independent in mind or judgment; self-directed. 3a. Independent of the laws of another state or government; self-governing. b. Of or relating to a self-governing entity: an autonomous legislature.c. Self-governing with respect to local or internal affairs: an autonomous region of a country.4. Autonomic.
ETYMOLOGY:
From Greek autonomos : auto-, auto- + nomos, law; see nem- in Appendix I.