voluntary   (Sound)

The voluntary has 4 Senses.

• volunteer, voluntary, military volunteer
• 義勇兵, 志願兵
• (military) a person who freely enlists for service
• 進んで軍隊に志願する人

• voluntary
• composition (often improvised) for a solo instrument (especially solo organ) and not a regular part of a religious service or musical performance
• ソロの楽器（特にソロのオルガン）のための、そして宗教礼拝または音楽演奏の通常の一部でないもののための作曲（しばしば即興で）

• voluntary
• 自発的, 随意, 随意的, 自主的, 任意
• of your own free will 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"
• 自分の自由意思または計画で

• voluntary
• 自発的, 随意
• controlled by individual volition; "voluntary motions"; "voluntary muscles"
• 個人的意思で制御された