Voluntary vs. Willing — What's the Difference?

Done or undertaken of one's own free will

Disposed or inclined; prepared

Acting or done willingly and without constraint or expectation of reward

Acting or ready to act gladly; eagerly compliant

Normally controlled by or subject to individual volition

Done, given, or accepted voluntarily or ungrudgingly.

Capable of making choices; having the faculty of will

Ready to do something that is not (can't be expected as) a matter of course.

Supported by contributions or charitable donations rather than by government appropriations

The execution of a will.

Without legal obligation or consideration

Present participle of will

Done intentionally but without premeditation or deliberation, as when under the influence of an intense emotional reaction

Free to do or to grant; having the mind inclined; not opposed in mind; not choosing to refuse; disposed; not averse; desirous; consenting; complying; ready.

A short piece of music, often improvised on a solo instrument, played as an introduction to a larger work.

Received of choice, or without reluctance; submitted to voluntarily; chosen; desired.

A piece for solo organ, often improvised, played before, during, or after a religious service.

Spontaneous; self-moved.

A volunteer.

The act of making a choice;

Done, given, or acting of one's own free will.

Disposed or inclined toward;

Done by design or intention; intentional.

Not brought about by coercion or force;

Working or done without payment.

Disposed or willing to comply;

Endowed with the power of willing.

Of or relating to voluntarism.

(obsolete) Voluntarily.

(music) A short piece of music, often having improvisation, played on a solo instrument.

A volunteer.

A supporter of voluntarism; a voluntarist.

Proceeding from the will; produced in or by an act of choice.

Unconstrained by the interference of another; unimpelled by the influence of another; not prompted or persuaded by another; done of his or its own accord; spontaneous; acting of one's self, or of itself; free.

Done by design or intention; intentional; purposed; intended; not accidental; as, if a man kills another by lopping a tree, it is not voluntary manslaughter.

Of or pertaining to the will; subject to, or regulated by, the will; as, the voluntary motions of an animal, such as the movements of the leg or arm (in distinction from involuntary motions, such as the movements of the heart); the voluntary muscle fibers, which are the agents in voluntary motion.

Endowed with the power of willing; as, man is a voluntary agent.

Free; without compulsion; according to the will, consent, or agreement, of a party; without consideration; gratuitous; without valuable consideration.

Of or pertaining to voluntaryism; as, a voluntary church, in distinction from an established or state church.

One who engages in any affair of his own free will; a volunteer.

A piece played by a musician, often extemporarily, according to his fancy; specifically, an organ solo played before, during, or after divine service.

One who advocates voluntaryism.

(military) a person who freely enlists for service

Composition (often improvised) for a solo instrument (especially solo organ) and not a regular part of a service or performance

Of your own free will or design; not forced or compelled;

Controlled by individual volition;