involuntary

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Related to involuntary nervous system: visceral nervous system

in·vol·un·tar·y

 (ĭn-vŏl′ən-tĕr′ē)
adj.
1. Acting or done without or against one's will: an involuntary participant in what turned out to be an argument.
2. Not subject to control of the volition: gave an involuntary start.

in·vol′un·tar′i·ly (-târ′ə-lē) adv.
in·vol′un·tar′i·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

involuntary

(ɪnˈvɒləntərɪ; -trɪ)
adj
1. carried out without one's conscious wishes; not voluntary; unintentional
2. (Physiology) physiol (esp of a movement or muscle) performed or acting without conscious control
inˈvoluntarily adv
inˈvoluntariness n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

in•vol•un•tar•y

(ɪnˈvɒl ənˌtɛr i)

adj.
1. not voluntary; independent of one's will: an involuntary listener.
2. unintentional; unconscious: an involuntary gesture.
3. caused through recklessness or negligence: involuntary manslaughter.
4. Physiol. acting or functioning without volition: involuntary muscles.
[1525–35; < Late Latin]
in•vol•un•tar•i•ly (ɪnˈvɒl ənˌtɛr ə li, -ˌvɒl ənˈtɛər-) adv.
in•vol′un•tar`i•ness, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

in·vol·un·tar·y

(ĭn-vŏl′ən-tĕr′ē)
Not under conscious control. Most of the biological processes in animals that are vital to life, such as contraction of the heart, blood flow, breathing, and digestion, are involuntary and controlled by the autonomic nervous system.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.involuntary - not subject to the control of the willinvoluntary - not subject to the control of the will; "involuntary manslaughter"; "involuntary servitude"; "an involuntary shudder"; "It (becoming a hero) was involuntary. They sank my boat"- John F.Kennedy
unconscious - not conscious; lacking awareness and the capacity for sensory perception as if asleep or dead; "lay unconscious on the floor"
unwilling - not disposed or inclined toward; "an unwilling assistant"; "unwilling to face facts"
voluntary - of your own free will or design; done by choice; not forced or compelled; "man is a voluntary agent"; "participation was voluntary"; "voluntary manslaughter"; "voluntary generosity in times of disaster"; "voluntary social workers"; "a voluntary confession"
2.involuntary - controlled by the autonomic nervous system; without conscious control; "involuntary muscles"; "gave an involuntary start"
physiology - the branch of the biological sciences dealing with the functioning of organisms
voluntary - controlled by individual volition; "voluntary motions"; "voluntary muscles"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

involuntary

adjective
2. compulsory, forced, mandatory, required, binding, imperative, obligatory, requisite, de rigueur (French) Involuntary repatriations began this week.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

involuntary

adjective
Acting or happening without apparent forethought, prompting, or planning:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
لا إرادي، لا إخْتِياري
bezděčnýnedobrovolný
ufrivillig
ósjálfráîur
nevalingainevalingas
negribētsnetīšs
istemeden

involuntary

[ɪnˈvɒləntərɪ] ADJinvoluntario
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

involuntary

[ɪnˈvɒləntəri] adjinvolontaire
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

involuntary

adjunbeabsichtigt, ungewollt; repatriationunfreiwillig; shudder, muscle movement etcunwillkürlich; I found myself an involuntary listener/guestich wurde zum unfreiwilligen Zuhörer/Gast; involuntary manslaughter (Jur) → fahrlässige Tötung
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

involuntary

[ɪnˈvɒləntrɪ] adjinvolontario/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

involuntary

(inˈvoləntəri) adjective
(of an action etc) not intentional. He gave an involuntary cry.
inˈvoluntarily adverb
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

in·vol·un·tar·y

a. involuntario-a.
English-Spanish Medical Dictionary © Farlex 2012

involuntary

adj involuntario
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
Beta blockers are a class of medicines that block the effect of beta-adrenergic substances, such as adrenaline (epinephrine), that play a key role in the sympathetic portion of the involuntary nervous system. They temporarily stop or reduce the body's natural "fight-or-flight" responses and reduce stress on certain parts of the body.
Neurologists in Glendale at the Arizona Neurology Associates specialize in treating problems associated with the brain, spinal cord, peripheral nerves and the involuntary nervous system that controls the heart, lungs and other organs.
Serious spinal cord injuries resulting from auto accidents can lead to significant nerve damage and potentially cause paralysis, muscle dystrophy, autonomic (involuntary nervous system) disturbances and/or loss of reflex function.

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