"unoccupied" in the adjective sense
1. unoccupied
not held or filled or in use
"an unoccupied telephone booth"
"unoccupied hours"
2. unoccupied
not seized and controlled
"unoccupied areas of France"
3. unoccupied, untenanted
not leased to or occupied by a tenant
"an unoccupied apartment"
"very little unclaimed and untenanted land"
Source: WordNet® (An amazing lexical database of English)
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