volunteer volunteer /ˌvɑːlənˈtɪr/

adjective

1. Without payment  ( unpaid , volunteer )
   without payment
    The soup kitchen was run primarily by unpaid helpers
   the soup kitchen was run primarily by unpaid helpers
    A volunteer fire department
   a volunteer fire department
   

noun

1. () (military) a person who freely enlists for service  ( military volunteer , voluntary , volunteer )
   (military) a person who freely enlists for service
     The selfless volunteer dedicated their time and effort to helping those in need.
   The selfless volunteer dedicated their time and effort to helping those in need.
   
2. () A person who performs voluntary work  ( unpaid worker , volunteer )
   a person who performs voluntary work
   
   

verb

1. () Tell voluntarily  ( volunteer )
   tell voluntarily
    He volunteered the information
   He volunteered the information
   
2. () Do volunteer work  ( volunteer )
   do volunteer work
   
3. () Agree freely  ( volunteer , offer )
   agree freely
    She volunteered to drive the old lady home
   She volunteered to drive the old lady home
    I offered to help with the dishes but the hostess would not hear of it
   I offered to help with the dishes but the hostess would not hear of it
   

 Volunteer

noun

1. A native or resident of Tennessee  ( Tennessean , Volunteer )
   a native or resident of Tennessee