one-dimensional adj 1: relating to a single dimension or aspect; having no depth or scope; "a prose statement of fact is unidimensional, its value being measured wholly in terms of its truth"- Mary Sheehan; "a novel with one-dimensional characters" [syn: {unidimensional}] [ant: {multidimensional}] 2: of or in or along or relating to a line; involving a single dimension; "a linear foot" [syn: {linear}] [ant: {planar}, {cubic}]