'Supererogatory' definitions:

Definition of 'supererogatory'

From: WordNet
adjective
More than is needed, desired, or required; "trying to lose excess weight"; "found 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" [syn: excess, extra, redundant, spare, supererogatory, superfluous, supernumerary, surplus]

Definition of 'Supererogatory'

From: GCIDE
  • 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. [1913 Webster]