Home › Words › U › underactorunderactorunderactor means A secondary or subsidiary actor.Among words judged in Lexicurio's Arena, underactor ranks #16,750 of 42,762 for Qualifying.EtymologyFrom under- + actor.nounA secondary or subsidiary actor.e.g.“He joined the theatre company as an underactor at the age of 17.”Definitions & examples from Wiktionary (CC BY-SA 3.0).