Involuntary is the antonym of voluntary. An involuntary action is one that occurs without volition or will; see volition (psychology) and will (philosophy). Involuntary may also refer to:

  • Involuntary (film), a 2008 Swedish film by Ruben Östlund
  • "Involuntary", a song on the M. Ward album Transfiguration of Vincent
  • Smooth muscle, a muscle which is the source of involuntary movements
  • Involuntary Commitment Psychiatric examine and/or treatment against patients consent or lack of ability to give consent.

See also:

  • Voluntary (disambiguation)

Famous quotes containing the word involuntary:

    An involuntary return to the point of departure is, without doubt, the most disturbing of all journeys.
    Iain Sinclair (b. 1943)

    Like everything which is not the involuntary result of fleeting emotion but the creation of time and will, any marriage, happy or unhappy, is infinitely more interesting than any romance, however passionate.
    —W.H. (Wystan Hugh)

    Indeed the involuntary character of psychiatric treatment is at odds with the spirit and ethics of medicine itself.
    Kate Millett (b. 1934)