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Definition of "automatic" []

  • Acting or operating in a manner essentially independent of external influence or control: an automatic light switch; a budget deficit that triggered automatic spending cuts. (adjective)
  • Self-regulating: an automatic washing machine. (adjective)
  • Acting or done without volition or conscious control; involuntary: automatic shrinking of the pupils of the eyes in strong light. See Synonyms at spontaneous. (adjective)
  • Acting or done as if by machine; mechanical: an automatic reply to a familiar question. (adjective)
  • Capable of firing continuously until ammunition is exhausted or the trigger is released: an automatic rifle. (adjective)
  • Performed from force of habit or without conscious thought; lacking spontaneity; mechanical (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • (of a device, mechanism, etc) able to activate, move, or regulate itself (adjective)
  • (of an act or process) performed by such automatic equipment (adjective)
  • (of the action of a muscle, gland, etc) involuntary or reflex (adjective)
  • Occurring as a necessary consequence (adjective)
  • 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 trigger (adjective)
  • An automatic firearm (noun)
  • A motor vehicle having automatic transmission (noun)
  • A machine that operates automatically (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "automatic" in a sentence
  • "No effort is required to dissolve them, which is the meaning of the term automatic liberation (rang-grol, self-liberation)."
  • "The term automatic data capture is also known as automatic identification and data capture."
  • "1 The term 'automatic telephone dialing system' means equipment which uses a random or sequential number generator to produce telephone numbers to be called and to dial such numbers.'"