Synonyms of residuary

2 Syllables
lavish, surplus, needless, excess, spare
3 Syllables
redundant, unasked, extreme, leftover, unneeded, superfluent, superfluous, profuse, useless, pleonastic, remaining, abounding, unwanted, gratuitous, overmuch
4 Syllables
expendable, excessive, dispensable, unrequired, inessential, nonessential, uncalled-for, exorbitant, extravagant, overflowing
5 Syllables
superabundant, inordinate
6 Syllables
supernumerary
7 Syllables
supererogatory