voluntary

自発的な、任意の

強制されず、自分が望んで行う。

やさしい英語で： Done because someone freely chooses to do it, without being forced.

• Attendance is voluntary.
• They made a voluntary donation to the school.
• Was his decision to leave completely voluntary?

類義語： optional, willing

反対語： compulsory, involuntary

よく使う表現： voluntary participation, voluntary donation, voluntary agreement

無報酬の、ボランティアの

お金をもらわず、人を助けるために働く、または行われる。

やさしい英語で： Working or done to help others without receiving money.

• She does voluntary work.
• The museum relies on voluntary staff.
• He took a voluntary role helping older people with shopping.

類義語： unpaid, volunteer

反対語： paid

よく使う表現： voluntary work, voluntary worker, voluntary role

意図的な、随意の

自分の行動を理解し、そうすると決めて行う。

やさしい英語で： Done deliberately, with awareness and a decision to act.

• Lifting your arm is a voluntary movement.
• The study compared voluntary actions with automatic responses.
• He admitted voluntary manslaughter after the investigation.

類義語： intentional, deliberate

反対語： involuntary, accidental

よく使う表現： voluntary movement, voluntary act, voluntary manslaughter

国家から独立した

宗教は国家の支援や管理ではなく、信者の自発的な支えによるべきとする。

やさしい英語で： Supporting the idea that religion should depend on willing believers rather than government support or control.

• They founded a voluntary church.
• The voluntary principle shaped their views on religion.
• Voluntary churches relied on their members for financial support.

よく使う表現： voluntary church, voluntary principle