being in excess of the usual, proper, or prescribed number; additional; extra.

associated with a regular body or staff as an assistant or substitute in case of necessity.

a supernumerary or extra person or thing.

a supernumerary official or employee.

a person who appears in a play or film without speaking lines or as part of a crowd; walk-on; extra.

adjective

de trop , excess , extra , spare , supererogatory , surplus