unessential

I adjective adventicius, dispensable, extraneous, extrinsic, immaterial, inapposite, incidental, inconsequential, inconsiderable, insignificant, irrelevant, meaningless, minor, needless, negligible, nonessential, of no account, of no consequence, secondary, superfluous, trifling, trivial, uncalled-for, unimportant, unnecessary, unneeded associated concepts: minimis II index collateral (immaterial), expendable, extraneous, extrinsic, gratuitous (unwarranted), immaterial, inapposite, inconsequential, inconsiderable, irrelevant, minor, needless, negligible, nonessential, null (insignificant), petty, remote (small), secondary, slight, superfluous, supplementary, unnecessary