- delete superfluous (or unnecessary) words.
- extra ribs as well as other supernumerary internal parts.
- found some extra change lying on the dresser.
- it was supererogatory of her to gloat.
- reducing staff is difficult because our employees include no supernumeraries.
- skills made redundant by technological advance.
- sleeping in the spare room.
- supernumerary ornamentation.
- surplus cheese distributed to the needy.
- trying to lose excess weight.
- yet another book on heraldry might be thought redundant.