voluntary
adjective(vol-un-tary)
proceeding from the will or from one's own choice or consent
voluntary
adjective(vol-un-tary)
unconstrained by interference : self-determining
voluntary
adjective(vol-un-tary)
done by design or intention : intentional
voluntary
noun(vol-un-tary)
a prefatory often extemporized musical piece
voluntary
noun(vol-un-tary)
an improvisatory organ piece played before, during, or after a religious service
voluntary
noun(vol-un-tary)
one who participates voluntarily
voluntary
noun(vol-un-tary)
muscle (such as most striated muscle) under voluntary control
voluntary
noun(vol-un-tary)
a person who does work without getting paid to do it : a volunteer