Adjective autonomous has 3 senses
  1. autonomous, independent, self-governing, sovereign - of political bodies; "an autonomous judiciary"; "a sovereign state"
    Antonym: unfree (indirect, via free)
  2. autonomous - existing as an independent entity; "the partitioning of India created two separate and autonomous jute economies"
    dependent (indirect, via independent)
  3. autonomous, self-directed, self-reliant - of persons; free from external control and constraint in e.g. action and judgment
    Antonym: dependent (indirect, via independent)