| Supererogatory (a.) Performed to an extent not enjoined, or not required, by duty or necessity; as, supererogatory services. Thesaurus Entries de trop, dispensable, excess, expendable, expletive, gratuitous, in excess, needless, nonessential, pleonastic, prolix, redundant, spare, superfluous, supernumerary, tautologic, tautologous, to spare, unasked, uncalled-for, unessential, unnecessary, unneeded, verbose, wanton |