Synonyms and related words :
consumable, de trop, dispensable, disposable, excess, expletive, gratuitous, in excess, inessential, insignificant, needless, no-deposit, nonessential, pleonastic, prolix, redundant, replaceable, spare, spendable, substitutable, supererogatory, superfluous, supersedable, tautologic, tautologous, throwaway, to spare, uncalled-for, unessential, unimportant, unnecessary, unneeded, verbose