Contiguous

1. adjective

   connecting without a break; within a common boundary

   “the 48 conterminous states”

   Similar: conterminous

2. adjective

   having a common boundary or edge; abutting; touching

   “Rhode Island has two bordering states; Massachusetts and Conncecticut”

   Similar: adjacent, conterminous, neighboring

3. adjective

   very close or connected in space or time

   “contiguous events”

   Similar: immediate