DictionaryautomaticSelf-operating
adjective / noun

automatic

aw-tuh-MAT-ik/ˌɔːtəˈmætɪk/

Operating or occurring without separate deliberate intervention.

The automatic faucet releases water when the woman holds her hands beneath it.

A touchless sensor faucet releases water over an older woman's hands while neither hand touches any control.
Etymology

“Self” and “animated” underlie the Greek idea of acting on one’s own, applied both to willing people and self-moving things. The machinery sense preserves that image of operation without direct human control.

In context

BASEline4:17
the automatic promotion from E3 to E4 is new as previously Sailors were required to take an advancement exam in order to promote
US Navy Ranks EXPLAINED 2025 - Seaman to Admiral

More examples

  • Years of practice made her response almost automatic.
  • Late registration carries an automatic penalty.
  • He drives an automatic because he prefers not to change gears himself.
  • The museum displays an early automatic beside a manually reloaded pistol.

Forms

automatic · automatics

automatically adverb — Without separate deliberate thought or human intervention.

Similar words

self-operating
Specifically describes a mechanism that functions without continuous human control.
involuntary
Specifically describes action occurring without conscious choice.