volunteer:卫 to offer one's services or help without payment; to offer(to do sth ) esp when others are unwilling Examples He volunteered to help at the scene of the accident As soon as war was declared, many men volunteered More to learnExamples • He volunteered to help at the scene of the accident. • As soon as war was declared, many men volunteered. volunteer: v. to offer one’s services or help without payment; to offer (to do sth.), esp. when others are unwilling. More to learn