THESAURUS
Extraneous
accidental, added, additional, adrift, adventitious, alien, apart, barbarian, barbaric, barbarous, beside the mark, beside the point, beside the question, detached, disconnected, discrete, disjunct, disrelated, dissociated, exotic, exterior, external, extra, extraorganismal, extraterrestrial, extrinsic, foreign, foreign-born, immaterial, impersonal, impertinent, inadmissible, inapplicable, inapposite, inappropriate, inapt, incidental, incommensurable, incomparable, inconsequent, independent, inessential, insular, intrusive, irrelative, irrelevant, isolated, needless, nihil ad rem, nonessential, nonsubjective, not at issue, objective, off the subject, other, out of place, out-of-the-way, outland, outlandish, outlying, outside, outward, parenthetical, peripheral, pointless, remote, removed, segregate, separate, separated, strange, superfluous, supernumerary, ulterior, unaffiliated, unallied, unapt, unassociated, unconnected, unearthly, unessential, unfitting, unnecessary, unneeded, unrelatable, unrelated
ROGET THESAURUS
Extraneous
Extrinsicality
N
extrinsicality, objectiveness, non ego, extraneousness, accident, appearance, phenomenon, derived from without, objective, extrinsic, extrinsical, extraneous, modal, adventitious, ascititious, adscititious, incidental, accidental, nonessential, contingent, fortuitous, implanted, ingrafted, inculcated, infused, outward, apparent, extrinsically.
Irrelation
N
irrelation, dissociation, misrelation, inapplicability, inconnection, multifariousness, disconnection, inconsequence, independence, incommensurability, irreconcilableness, heterogeneity, unconformity, irrelevancy, impertinence, nihil ad rem, intrusion, non-pertinence, irrelative, irrespective, unrelated, arbitrary, independent, unallied, unconnected, disconnected, adrift, isolated, insular, extraneous, strange, alien, foreign, outlandish, exotic, not comparable, incommensurable, heterogeneous, unconformable, irrelevant, inapplicable, not pertinent, not to the, purpose, impertinent, inapposite, beside the mark, a propos de bottes, aside from the purpose, away from the purpose, foreign to the purpose, beside the purpose, beside the question, beside the transaction, beside the point, misplaced, traveling out of the record, remote, far-fetched, out of the way, forced, neither here nor there, quite another thing, detached, segregate, disquiparant, multifarious, discordant, incidental, parenthetical, obiter dicta, episodic, parenthetically, by the way, by the by, en passant, incidentally, irrespectively, without reference to, without regard to, in the abstract, a se.
Extraneousness
N
extraneousness, extrinsicality, exteriority, alienage, alienism, foreign body, foreign substance, foreign element, alien, stranger, intruder, interloper, foreigner, novus homo, newcomer, immigrant, emigrant, creole, Africander, outsider, Dago, wop, mick, polak, greaser, slant, Easterner, Dutchman, tenderfoot, extraneous, foreign, alien, ulterior, tramontane, ultramontane, excluded, inadmissible, exceptional, in foreign parts, in foreign lands, abroad, beyond seas, over sea on one's travels.