Synonyms and related words :
accessory, accidental, additional, adscititious, adventitious, aimless, appurtenant, ascititious, auxiliary, casual, circumstantial, collateral, contingent, de trop, dispensable, excess, excessive, expendable, expletive, extra, feckless, fortuitous, gratuitous, impotent, in excess, incidental, ineffective, ineffectual, inessential, left, leftover, meaningless, needless, net, no go, nonessential, odd, of no use, outstanding, over, pleonastic, pointless, prolix, purposeless, redundant, remaining, remanent, secondary, spare, subsidiary, superabundant, superadded, supererogatory, supernumerary, supervenient, supplemental, supplementary, surplus, surviving, tautologic, tautologous, to spare, unasked, unavailing, uncalled-for, unconsumed, unessential, unnecessary, unneeded, unused, unwanted, useless, verbose