Supernumerary means "exceeding the usual number".
Supernumerary may also refer to:
Supernumerary actor, a performer in a film, television show, or stage production who has no role or purpose other than to appear in the background, more commonly referred to as an "extra"Supernumerary body part, most commonly a congenital disorder involving the growth of an additional part of the body and a deviation from the body planSupernumerary judge, a semi-retired judge appointed to hear cases on a part-time basisSupernumerary rainbow, extra colored bands sometimes seen inside the arc of a rainbowJewish Supernumerary Police, a Jewish militia active in the British Mandate of PalestineSmall supernumerary marker chromosome (sSMC), an extra, 47th autosomal chromosomeSupernumerary sexes (or supernumerary genders), gender categories beyond male and female