The noun volunteer has 3 senses (first 2 from tagged texts)
1. (3) volunteer, military volunteer, voluntary -- ((military) a person who freely enlists for service)
2. (1) volunteer, unpaid worker -- (a person who performs voluntary work)
3. Tennessean, Volunteer -- (a native or resident of Tennessee)
Overview of verb volunteer
The verb volunteer has 3 senses (first 3 from tagged texts)
1. (4) volunteer -- (tell voluntarily; "He volunteered the information")
2. (2) volunteer, offer -- (agree freely; "She volunteered to drive the old lady home"; "I offered to help with the dishes but the hostess would not hear of it")
3. (2) volunteer -- (do volunteer work)
Overview of adj volunteer
The adj volunteer has 1 sense (no senses from tagged texts)
1. unpaid, volunteer -- (without payment; "the soup kitchen was run primarily by unpaid helpers"; "a volunteer fire department")