adjacent

adjective

1. 1

   near or close to but not necessarily touching

   lands adjacent to the mountains

   New York and adjacent cities

2. 2

   nearest in space or position; immediately adjoining without intervening space

   had adjacent rooms

   in the next room

3. 3

   having a common boundary or edge; abutting; touching

   Rhode Island has two bordering states; Massachusetts and Conncecticut

   the side of Germany conterminous with France