Involuntary

//ɪnˈvɒl.ən.tɹi// adj

Definitions

Adjective
  1. 1
    Without intention; unintentional.
  2. 2
    Not voluntary or willing; contrary or opposed to explicit will or desire; unwilling.

    "He found himself the involuntary witness in the trial."

Adjective
  1. 1
    not subject to the control of the will wordnet
  2. 2
    controlled by the autonomic nervous system; without conscious control wordnet

Etymology

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

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