popera UK /ˈpɒp.ə.ɹə/US /ˈpɑ.pɚ.ə/ noun2 •(informal) A crossover genre combining elements of pop music and classical opera.The popera artist continued his rise to the top of the music charts earlier this year... — 2004 •(informal) A musical or operatic work performed in this style. formspoperas