Involuntary vs. Unvoluntary — Which is Correct Spelling?

Acting or done without or against one's will

Not subject to control of the volition

Without intention; unintentional.

Not voluntary or willing; contrary or opposed to explicit will or desire; unwilling.

Not having will or the power of choice.

Not under the influence or control of the will; not voluntary; as, the involuntary movements of the body; involuntary muscle fibers.

Not proceeding from choice; done unwillingly; reluctant; compulsory; as, involuntary submission.

Not subject to the control of the will;

Controlled by the autonomic nervous system; without conscious control;