nonessential

I adjective accessory, added, additional, adscititious, auxiliary, avoidable, beside the point, beside the question, dispensable, excess, expendable, extra, extraneous, extrinsic, extrinsical, frivolous, gratuitous, incidental, inconsequential, inessential, insignificant, minor, needless, negligible, of little consequence, of little importance, of no account, of no concern, of no consequence, of no importance, of no significance, of small importance, optional, parenthetic, parenthetical, peripheral, redundant, spare, supererogatory, superfluous, supervenient, supplemental, supplementary, trifling, trivial, uncalled for, unessential, ungermane, unimportant, unnecessary, unneeded, unnoteworthy, unrequired, unwarranted associated concepts: nonessential services II index circumstantial, collateral (immaterial), excessive, expendable, extraneous, extrinsic, immaterial, inconsequential, inconsiderable, minor, needless, petty, slight, supplementary, tangential, trivial, unessential