unsettled
US /ʌnˈset̬.əld/
UK /ʌnˈset̬.əld/

1.
not yet resolved or decided
:
•
The issue remains unsettled.
•
There are still some unsettled accounts.
2.
3.
not yet inhabited or colonized
:
•
The explorers ventured into unsettled lands.
•
They established a new colony in the unsettled territory.