What is Nonvoluntary?

Nonvoluntary definition and meaning on Dictionary terms:
done, made, brought about, undertaken, etc., of one’s own accord or by free choice: a voluntary contribution.
of, relating to, or acting in accord with the will: voluntary cooperation.
of, relating to, or depending on voluntary action: voluntary hospitals.
Law. acting or done without compulsion or obligation.done by intention, and not by accident: voluntary manslaughter.made without valuable consideration: a voluntary settlement.

Physiology. subject to or controlled by the will.
having the power of willing or choosing: a voluntary agent.
proceeding from a natural impulse; spontaneous: voluntary laughter.

noun, plural vol