supe I. \ˈsüp\noun (-s) Etymology: by shortening 1.: supernumerary 2.slang: superintendent II. intransitive verb (-ed/-ing/-s) : to act as a supernumerary III. transitive verb (-ed/-ing/-s) Etymology: alteration (influenced by supercharge) of soup (II) : to soup up < guided missiles — suped-up versions of … V-2 rockets — F.V.Drake >