Synonyms for Extraneous:
foreign, impertinent, immaterial.
dissociated, nonessential, separated, unrelated, Unallied, immaterial, eerie, outside, foreign-born, foreign, inadmissible, inappropriate, detached, separate, unaffiliated, segregated, strange, impertinent, alien, inapplicable, estranged, extraterrestrial, exotic, disaffiliated, other, external, outlandish, outer, irrelevant, extrinsic, removed, unessential, disconnected, disjoint, parenthetical.
alien, strange, external, extrinsic, exotic.
•unneeded; irrevelant (adjective)
immaterial, beside the point, impertinent, inadmissible, incidental, unessential, nonessential, unrelated, inappropriate, inapplicable, foreign.
detached, inapplicable, disjoint, disenfranchised, alien, irrelevant, Unallied, dissociated, unaffiliated, remote, segregated, unrelated, separate, foreign.
n.academic, neither here nor there, unimportant, beside the point, marginal. •extraneous (noun)
adulterating, foreign, immaterial, extrinsic, outside, adulterant, irrelevant, external, impertinent.
Usage examples for extraneous
This knowledge can be acquired as circumstances and opportunity offer; we deal rather with extraneous details which are necessary to be known by everyone who aspires to form a collection of books for himself and would know something of the history of each. – Book Collecting A Guide for Amateurs by John Herbert Slater