be voluntary

Examples (10)

• Participation in the survey will be voluntary.
• All donations to the charity are voluntary.
• Her decision to leave the company was entirely voluntary.
• Membership in the community garden is voluntary, not compulsory.
• The work involved in the project can sometimes be voluntary.
• Students' attendance at the after-school program is voluntary.
• His involvement in the relief efforts has always been voluntary.
• The company's new policy on flexible hours is voluntary for employees.
• We confirmed that the early retirement package would be voluntary.
• Is your contribution to the fund voluntary, or is it mandatory?