[] , 份, 余



supererogatory
[ adj ]
more than is needed, desired, or required
<adj.all>
trying to lose excess weightfound some extra change lying on the dresser
yet another book on heraldry might be thought redundant
skills made redundant by technological advance
sleeping in the spare room
supernumerary ornamentation
it was supererogatory of her to gloat
delete superfluous (or unnecessary) words
extra ribs as well as other supernumerary internal parts
surplus cheese distributed to the needy




Supererogatory \Su`per*e*rog"a*to*ry\, a.
Performed to an extent not enjoined, or not required, by duty
or necessity; as, supererogatory services. --Howell.