actorvist UK /ˈak.tə.vɪst/US /ˈæk.tɚ.vɪst/ noun1 •(informal) An actor who engages in political or social activism.Leonardo DiCaprio on environmental issues and George Clooney on expanding aid to Africa are just two of the many "actorvists" engaged in American policy mobilization efforts today. — 2016 formsactorvists