3. (adj)voluntary of your own freewill or design; done by choice; not forced or compelled "man is a voluntary agent"; "participation was voluntary"; "voluntary manslaughter"; "voluntary generosity in times of disaster"; "voluntary social workers"; "a voluntary confession"
4. (adj)voluntary controlled by individualvolition "voluntary motions"; "voluntary muscles"
2. voluntary (of work) done without payment voluntary work; He voluntarily answered the officer's questions.
Definition of 'Voluntary'
Webster Dictionary
1. (noun)Voluntary one who engages in any affair of his own free will; a volunteer
2. (noun)Voluntary a piece played by a musician, often extemporarily, according to his fancy; specifically, an organsolo played before, during, or after divineservice
3. (noun)Voluntary one who advocates voluntaryism
4. (verb)Voluntary proceeding from the will; produced in or by an act of choice
5. (verb)Voluntary 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
6. (verb)Voluntary done by design or intention; intentional; purposed; intended; not accidental; as, if a man kills another by lopping a tree, it is not voluntarymanslaughter
7. (verb)Voluntary 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 voluntarymuscle fibers, which are the agents in voluntarymotion
8. (verb)Voluntary endowed with the power of willing; as, man is a voluntaryagent
9. (verb)Voluntary free; without compulsion; according to the will, consent, or agreement, of a party; without consideration; gratuitous; without valuableconsideration
10. (verb)Voluntary of or pertaining to voluntaryism; as, a voluntary church, in distinction from an established or statechurch
Sense: done, given etc by choice, not by accident or because of being forced (often without pay) Their action was completely voluntary; – nobody asked them to do that.