autonomous

aw-TON-uh-mus /ɔːˈtɒn.ə.məs/
adjectiveC1GREGMATSAT
AcademicTechnicalPolitical

Acting independently or having the freedom to do so; self-governing.

Often used for technology (self-driving cars) or politics (self-governing regions). It is the pinnacle of independence.

The story behind the word. From the Greek 'autonomos', meaning 'having its own laws'. It combines 'autos' (self) and 'nomos' (law). It describes the state of being a law unto oneself.

Word relationships

  • self-governing: Self-governing is usually restricted to politics; autonomous is used for technology, biology, and philosophy as well.
  • subordinate: Subordinate implies being under the control of another; autonomous implies being in control of oneself.

Commonly confused with

  • automatic: Automatic means a machine follows a set routine; autonomous means it can make its own decisions.

Word family

  • autonomy (noun): The right or condition of self-government.

Collocations

  • autonomous vehicle
  • autonomous region
  • fully autonomous

Example sentences

  • "The city is testing a fleet of autonomous buses to reduce traffic congestion." The future of transportation.
  • "The region was granted autonomous status, allowing it to manage its own education and healthcare systems." Political science lecture.

Memory hook

'Auto' like an 'automobile' (self-moving) + 'nomos' (law). Self-law. Autonomous: Auto-pilot for your own life.

When not to use

Do not use this to describe someone who is just 'lonely'; it implies a functional and legal capability to be independent.

Fun facts

  • The first 'autonomous' machine is often considered to be the 'governor' on a steam engine, which regulated its own speed.

Related words

interdependent, reliant

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