Orthogonal — synonyms, definition

1. orthogonal (a)

equilateral four-sided quadratic rectangular rectilinear

2. orthogonal (Adjective)

extraneous immaterial impertinent

orthogonal (Adjective) — Not pertinent to the matter under consideration. ex. "an issue orthogonal to the debate"

orthogonal (Adjective) — Statistically unrelated.

orthogonal (Adjective) — Having a set of mutually perpendicular axes; meeting at right angles. ex. "wind and sea may displace the ship's centre of gravity along three orthogonal axes"