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Synonyms

involuntary

American  
[in-vol-uhn-ter-ee] / ɪnˈvɒl ənˌtɛr i /

adjective

  1. not voluntary; independent of one's will; not by one's own choice.

    an involuntary listener; involuntary servitude.

  2. unintentional; unconscious.

    an involuntary gesture.

    Synonyms:
    instinctive
    Antonyms:
    intentional
  3. Physiology. acting independently of or done or occurring without volition.

    involuntary muscles.

    Synonyms:
    uncontrolled, reflex

involuntary British  
/ -trɪ, ɪnˈvɒləntərɪ /

adjective

  1. carried out without one's conscious wishes; not voluntary; unintentional

  2. physiol (esp of a movement or muscle) performed or acting without conscious control

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

involuntary Scientific  
/ ĭn-vŏlən-tĕr′ē /
  1. 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.


Related Words

See automatic.

Other Word Forms

  • involuntarily adverb
  • involuntariness noun

Etymology

Origin of involuntary

From the Late Latin word involuntārius, dating back to 1525–35. See in- 3, voluntary

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.

In a statement, Davidson said he was “deeply mortified if anyone considers my involuntary tics to be intentional or to carry any meaning.”

From Los Angeles Times

Tourette syndrome is a motor disorder characterised by sudden, involuntary and repetitive movements or sounds, known as tics.

From BBC

In a statement on Monday, Davidson said he was "deeply mortified if anyone considers my involuntary tics to be intentional or to carry any meaning".

From BBC

All are common involuntary responses for an autistic person in a stressful situation, which a sudden encounter with law enforcement almost invariably is.

From Los Angeles Times

He said on Monday that he was "deeply mortified if anyone considers my involuntary tics to be intentional or to carry any meaning".

From BBC