Of or pertaining to the outside; that is without or on the outside; external: opposed to inner: as, the outer wall.Further removed; being outside with reference to some place or point regarded as inner or internal.n. In rifle-practice: The part of a target beyond the circles surrounding the bull's-eye, and thus nearer the outside.n. A shot which strikes that part.To utter.n. In law, dispossession; an ouster.n. In electricity, one of the outside wires of a three-wire circuit.