Dictionary definition · Volunteer
noun
- a native or resident of Tennessee
- (military) a person who freely enlists for service
- a person who performs voluntary work
verb
- tell voluntarily"He volunteered the information"
- agree freely"She volunteered to drive the old lady home"
- do volunteer work
adjective
- without payment"the soup kitchen was run primarily by unpaid helpers"
Source: Open English WordNet (CC BY 4.0).