unoccupied
adjective /ˌʌnˈɒkjupaɪd/
  /ˌʌnˈɑːkjupaɪd/
- empty, with nobody living there or using it- an unoccupied house
- I sat down at the nearest unoccupied table.
- Firemen were called to an unoccupied house on High Street last night.
- The building appeared to be unoccupied.
 
- (of a region or country) not controlled by foreign soldiers- unoccupied territory
 opposite occupied