Main entry: coextensive, conterminous, coterminous
Definition: being of equal extent or scope or duration
Main entry: conterminous, contiguous, adjacent, neighboring
Definition: having a common boundary or edge; abutting; touching
Usage: 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
Main entry: conterminous, contiguous
Definition: connecting without a break; within a common boundary
Usage: the 48 conterminous states; the contiguous 48 states