Synonyms: orthogonal, rectangular
Definition: having a set of mutually perpendicular axes; meeting at right angles
Usage: wind and sea may displace the ship's center of gravity along three orthogonal axes; a rectangular Cartesian coordinate system
Similar words: perpendicular
Definition: intersecting at or forming right angles
Usage: the axes are perpendicular to each other
Synonyms: orthogonal
Definition: statistically unrelated
Similar words: unrelated
Definition: lacking a logical or causal relation
Synonyms: orthogonal, extraneous, immaterial, impertinent
Definition: not pertinent to the matter under consideration
Usage: an issue extraneous to the debate; the price was immaterial; mentioned several impertinent facts before finally coming to the point
Similar words: irrelevant
Definition: having no bearing on or connection with the subject at issue
Usage: an irrelevant comment; irrelevant allegations