Unessential

a.	1.	Not essential; not of prime importance; not indispensable; unimportant.
	2.	Void of essence, or real being.
n.	1.	Something not constituting essence, or something which is not of absolute necessity; as, forms are among the unessentials of religion.

Adj.

1.

unessential - not basic or fundamental Synonyms: inessential

accessory, accident, accidental, addendum, addition, additional, adjunct, adrift, adscititious, adventitious, aleatory, appendage, appurtenance, appurtenant, ascititious, auxiliary, back-burner, beside the mark, beside the point, beside the question, casual, circumstantial, collateral, conditional, contingency, contingent, de trop, dinky, dispensable, excess, expendable, expletive, extra, extraneous, extrinsic, fortuitous, gratuitous, happenstance, immaterial, impertinent, in excess, inadmissible, inapplicable, inapposite, inappreciable, inappropriate, incidental, inconsequent, inconsequential, inconsiderable, inessential, inferior, insignificant, irrelative, irrelevant, little, mere chance, minor, minute, needless, negligible, nihil ad rem, nonessential, not at issue, not vital, not-self, occasional, off the subject, other, out-of-the-way, parenthetical, petit, pleonastic, prolix, provisional, redundant, secondary, small, spare, subsidiary, superadded, superaddition, supererogatory, superfluous, supervenient, supplement, supplemental, supplementary, tautologic, tautologous, technical, to spare, uncalled-for, unimpressive, unnecessary, unneeded, unnoteworthy, unrequired, verbose