Meaning : Connecting without a break. Within a common boundary.
Example :
The 48 conterminous states.
The contiguous 48 states.
Synonyms : contiguous
Meaning : Having a common boundary or edge. Abutting. Touching.
Example :
Rhode Island has two bordering states; Massachusetts and Connecticut.
The side of Germany conterminous with France.
Utah and the contiguous state of Idaho.
Neighboring cities.
Synonyms : adjacent, contiguous, neighboring
Meaning : Being of equal extent or scope or duration.
Synonyms : coextensive, coterminous