late Middle Englsih < L adjacent- (s. of adjacēns, prp. of adjacēre to adjoin), equiv. to ad- ad- + jac- lie + -ent- -ent
- 1.lying near, close, or contiguous; adjoining; neighboring: a motel adjacent to the highway.
- 2.just before, after, or facing: a map on an adjacent page.
Adjacent is an adjective meaning contiguous, adjoining or abutting.
In graph theory adjacent nodes in a graph are linked by an edge.