adj. 1 unessential, non-essential, inessential, peripheral, superfluous, unnecessary, unneeded, extra, added, additional, adventitious, supernumerary, incidental, needless Filter out all the extraneous substances 2 not pertinent, impertinent, inapplicable, inapt, unapt, unfitting, inappropriate, unrelated, irrelevant, inapposite, unconnected, remote, alien, foreign, exotic, strange, outlandish, external, extrinsic, external, out of place, off the mark or point or subject, beside the point or mark: Why must you constantly bring up extraneous matters?
EXTRANEOUS
Meaning of EXTRANEOUS in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012