automatic [aw-tuh-mat-ik] ExamplesWord Origin adjective

  1. having the capability of starting, operating, moving, etc., independently: an automatic sprinkler system; an automatic car wash.
  2. Physiology. occurring independently of volition, as certain muscular actions; involuntary.
  3. done unconsciously or from force of habit; mechanical: an automatic application of the brakes.
  4. occurring spontaneously: automatic enthusiasm.
  5. (of a firearm, pistol, etc.) utilizing the recoil or part of the force of the explosive to eject the spent cartridge shell, introduce a new cartridge, cock the arm, and fire it repeatedly.


  1. a machine that operates automatically.
  2. automatic rifle.
  3. automatic pistol.
  4. Football. audible(def 2).
  5. automatic pilot.
  6. automatic transmission.
  7. an automobile equipped with automatic transmission.


  1. on automatic, being operated or controlled by or as if by an automatic device.

Origin of automatic 1740–50; Greek autómat(os) self-moving (see automaton) + -ic Related formsau·to·mat·i·cal·ly, adverbau·to·ma·tic·i·ty [aw-tuh-muh-tis-i-tee] /ˌɔ tə məˈtɪs ɪ ti/, nounnon·au·to·mat·ic, adjectivenon·au·to·mat·i·cal·ly, adverbqua·si-au·to·mat·ic, adjectivequa·si-au·to·mat·i·cal·ly, adverbsub·au·to·mat·ic, adjectivesub·au·to·mat·i·cal·ly, adverbun·au·to·mat·ic, adjectiveun·au·to·mat·i·cal·ly, adverbSynonym study 2. Automatic, involuntary, spontaneous all mean not under the control of the will. That which is automatic, however, is an invariable reaction to a fixed type of stimulus: The patella reflex is automatic. That which is involuntary is an unexpected response that varies according to the occasion, circumstances, mood, etc.: an involuntary cry of pain. That which is spontaneous arises from immediate stimuli and usually involves an expression of strong feeling: a spontaneous roar of laughter. Examples from the Web for quasi-automatic Historical Examples of quasi-automatic

  • But this quasi-automatic promotion from rank to rank was in fact far from being as regular as has been imagined.

    Guilds in the Middle Ages

    George Renard

  • British Dictionary definitions for quasi-automatic automatic adjective

    1. performed from force of habit or without conscious thought; lacking spontaneity; mechanicalan automatic smile
      1. (of a device, mechanism, etc) able to activate, move, or regulate itself
      2. (of an act or process) performed by such automatic equipment
    2. (of the action of a muscle, gland, etc) involuntary or reflex
    3. occurring as a necessary consequencepromotion is automatic after a year
    4. (of a firearm)
      1. utilizing some of the force of or gas from each explosion to eject the empty shell case, replace it with a new one, and fire continuously until release of the triggerCompare semiautomatic (def. 2)
      2. short for semiautomatic (def. 2) See also machine (def. 5)


    1. an automatic firearm
    2. a motor vehicle having automatic transmission
    3. a machine that operates automatically

    Derived Formsautomatically, adverbautomaticity (ˌɔːtəʊməˈtɪsɪtɪ), nounWord Origin for automatic C18: from Greek automatos acting independently Word Origin and History for quasi-automatic automatic adj.

    “self-acting, moving or acting on its own,” 1812, from Greek automatos, used of the gates of Olympus and the tripods of Hephaestus (also “without apparent cause, by accident”), from autos “self” (see auto-) + matos “thinking, animated” (see automaton). Of involuntary animal or human actions, from 1748, first used in this sense by English physician and philosopher David Hartley (1705-1757). In reference to a type of firearm, from 1877; specifically of machinery that imitates human-directed action from 1940.

    automatic n.

    “automatic weapon,” 1902, from automatic (adj.). Meaning “motorized vehicle with automatic transmission” is from 1949.

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