Dictionary > English Dictionary > Definition, synonym and antonym of involuntary
Meaning of involuntary by Wiktionary Dictionary



    From in- +‎ voluntary, from Late Latin involontarius, from in + volontarius .


    involuntary ( comparative more involuntary, superlative most involuntary )

    1. Without intention; unintentional .
      He involuntarily overheard the conversation .
    2. Not voluntary or willing; contrary or opposed to explicit will or desire; unwilling .
      He found himself the involuntary witness in the trial .


    Related terms

    See also

    • involuntary in The Century Dictionary, The Century Co., New York, 1911
    • involuntary in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913

Explanation of involuntary by Wordnet Dictionary


    1. not subject to the control of the will

    2. involuntary manslaughter
      involuntary servitude
      an involuntary shudder
      It ( becoming a hero ) was involuntary. They sank my boat- John F.Kennedy
    3. controlled by the autonomic nervous system

    4. involuntary muscles
      gave an involuntary start