Read the dictionary definition of contiguous. All definitions for this word.
1. very close or connected in space or time
1. contiguous events
2. immediate contact
3. the immediate vicinity
4. the immediate past
2. having a common boundary or edge; abutting; touching
1. Rhode Island has two bordering states; Massachusetts and Connecticut
2. the side of Germany conterminous with France
3. Utah and the contiguous state of Idaho
4. neighboring cities
3. connecting without a break; within a common boundary
1. the 48 conterminous states
2. the contiguous 48 states