supererogatory Synonyms

surplus supernumerary redundant extra spare excess superfluous useless unwarranted unessential uncalled-for wanton unnecessary leftover de trop non-essential expendable without prompting in excess unwanted unrequired unsought undesired undemanded unasked uninvited unwelcome unneeded not asked unbidden supervacaneous gratuitous free extravagant expletive excessive dispensable changeable capricious additional hypermetrical inessential profuse supererogative spontaneous pointless pleonastic nonessential needless lavish