retroware UK /ˈɹɛt.ɹəʊˌwɛə/US /ˈɹɛt.ɹoʊˌwɛɹ/ noun1 •(informal) Old software/hardware.Microsoft itself has shown only two games for Win 95: Fury3, a Descent-like flight sim, and Return of Arcade, another retroware disk. — 1995 formsretrowares