Dictionary.net

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"

Exceeding a necessary, usual, or required number or quality; superfluous; as, supernumerary addresses; supernumerary expense.

A person or thing beyond the number stated.

A person or thing beyond what is necessary or usual; especially, a person employed not for regular service, but only to fill the place of another in case of need; specifically, in theaters, a person who is not a regular actor, but is employed to appear in a stage spectacle.

A person or thing beyond the stated, necessary, or usual number; especially, a person employed in a theatre as one of a mob, throng of guests, etc.

Exceeding the number stated or required.

Over and above the number stated, or which is usual or necessary.

A person or thing beyond the usual or necessary number.

Above the needful or regular number.

Being beyond a certain number; superfluous.

A supernumerary person or thing; a stage performer without a speaking part.

In excess of the regular number.

n. A person or thing beyond what is necessary or usual ; especially, a person employed to fill the place of another, as of an officer killed in battle, an actor upon the stage, or the like.