Autonomous
Autonomous adjective - Not being under the rule or control of another.
Automatic and autonomous are semantically related. In some cases you can use "Automatic" instead an adjective "Autonomous".
Automatic
Automatic adjective - Done instantly and without conscious thought or decision.
Autonomous and automatic are semantically related. Sometimes you can use "Autonomous" instead an adjective "Automatic".
Mutual synonyms
Cite this Source
Automatic and Autonomous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/autonomous/automatic
Autonomous & Automatic. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/autonomous/automatic>.
Automatic or Autonomous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/autonomous/automatic.
Google Ngram Viewer shows how "autonomous" and "automatic" have occurred on timeline