1. (

• conterminous ,
• contiguous

) connecting without a break; within a common boundary; "the 48 conterminous states"; "the contiguous 48 states" ;

2. (

• adjacent ,
• conterminous ,
• contiguous ,
• neighboring

) having a common boundary or edge; abutting; touching; "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" ;

3. (

• coextensive ,
• coterminous ,
• conterminous

) being of equal extent or scope or duration ;