impertinent vs orthogonal

impertinent and orthogonal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
impertinent	No	Yes	No	No
orthogonal	No	Yes	No	No

As adjectives, impertinent and orthogonal are synonyms defined as:

impertinent and orthogonal: not pertinent to the matter under consideration

Other synonyms of impertinent include extraneous, immaterial.

impertinent (adjective)	orthogonal (adjective)
improperly forward or bold	not pertinent to the matter under consideration
not pertinent to the matter under consideration	having a set of mutually perpendicular axes; meeting at right angles
characterized by a lightly pert and exuberant quality	statistically unrelated