unoccupied

adj

Etymology: From Middle English unoccupied; equivalent to un- + occupied.

1. Not inhabited, especially by a tenant

   “Construction of the world’s tallest unoccupied skyscraper may resume as early as next week, almost 10 years after work ground to a halt, according to Chinese state media.”

2. Not being used; vacant or free
3. Not employed on a task; idle
4. Not occupied by foreign troops etc