#1 adjacent s. [next, side by side] 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". wn
#2 adjacent s. [conterminous, contiguous, neighboring] having a common boundary or edge; abutting; touching; "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". wn
#3 adjacent s. near or close to but not necessarily touching; "lands adjacent to the mountains"; "New York and adjacent cities". wn
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