[n] a minor actor in crowd scenes
[adj] 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"
Synonyms
excess, extra, extra, redundant, spare, spear carrier, supererogatory, superfluous, surplus, unnecessary, unneeded