contiguous in WordNet English dictionary

1. having a common boundary or edge; abutting; touching
   "Rhode Island has two bordering states; Massachusetts and Conncecticut"; "the side of Germany conterminous with France"; "Utah and the contiguous state of Idaho"; "neighboring cities"
   adjacent  conterminous  contiguous  neighboring 
   
2. connecting without a break; within a common boundary
   "the 48 conterminous states"; "the contiguous 48 states"
   conterminous  contiguous 
   
3. very close or connected in space or time
   "contiguous events"; "immediate contact"; "the immediate vicinity"; "the immediate past"
   contiguous  immediate