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English definition of “megastar”


noun [C]     /ˈmeɡ.ə.stɑːr/ US  /-stɑːr/
a very famous person, especially an actor or pop starActors and performersFamous peopleImportant people and describing important people
(Definition of megastar noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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