[adjective] nearest in space or position; immediately adjoining without intervening space; "had adjacent rooms"; "in the next room"; "the person sitting next to me"; "our rooms were side by side" Synonyms:next, side by side
[adjective] having a common boundary or edge; touching; "abutting lots"; "adjoining rooms"; "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" Synonyms:abutting, adjoining, conterminous, contiguous, neighboring
[adjective] near or close to but not necessarily touching; "lands adjacent to the mountains"; "New York and adjacent cities"