Definitions
1.nounA short piece of music, often having improvisation, played on a solo instrument.
2.nounA volunteer.
3.nounA supporter of voluntarism; a voluntarist.
4.adjectiveDone, given, or acting of one's own free will.
5.adjectiveDone by design or intention; intentional."If a man accidentally kills another by lopping a tree, it is not voluntary manslaughter."
6.adjectiveWorking or done without payment.
7.adjectiveEndowed with the power of willing.
8.adjectiveOf or relating to voluntarism."a voluntary church, in distinction from an established or state church"
9.adverbVoluntarily.