Definition of adjacent

• 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"
• 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"
• near or close to but not necessarily touching; "lands adjacent to the mountains"; "New York and adjacent cities"