automatic
Americanadjective
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having the capability of starting, operating, moving, etc., independently.
an automatic sprinkler system; an automatic car wash.
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Physiology. occurring independently of volition, as certain muscular actions; involuntary.
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done unconsciously or from force of habit; mechanical.
an automatic application of the brakes.
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occurring spontaneously.
automatic enthusiasm.
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(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.
noun
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a machine that operates automatically.
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Football. audible.
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an automobile equipped with automatic transmission.
idioms
adjective
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performed from force of habit or without conscious thought; lacking spontaneity; mechanical
an automatic smile
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(of a device, mechanism, etc) able to activate, move, or regulate itself
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(of an act or process) performed by such automatic equipment
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(of the action of a muscle, gland, etc) involuntary or reflex
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occurring as a necessary consequence
promotion is automatic after a year
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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 Compare semiautomatic
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short for semiautomatic See also machine
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noun
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an automatic firearm
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a motor vehicle having automatic transmission
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a machine that operates automatically
Related Words
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.
Other Word Forms
- automatically adverb
- automaticity noun
- nonautomatic adjective
- nonautomatically adverb
- quasi-automatic adjective
- quasi-automatically adverb
- subautomatic adjective
- subautomatically adverb
- unautomatic adjective
- unautomatically adverb
Etymology
Origin of automatic
First recorded in 1740–50; from Greek autómat(os) “self-moving” ( automaton ) + -ic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A page of Isaac Post’s automatic spirit writing.
From Literature
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A message to Trivers prompted an automatic email response stating that he is now in poor health and asking for privacy.
The proposal would create automatic retirement accounts for uncovered workers beginning in 2027.
From MarketWatch
The proposal would create automatic retirement accounts for uncovered workers beginning in 2027.
From MarketWatch
Former Crystal Palace owner Simon Jordan, who at one stage was involved in a consortium which was considering a bid, says that automatic 15-point penalty should be challenged.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.