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English definition of “costar”


noun [C]  /ˈkoʊˌstɑr/ us  
a famous actor appearing with one or more other famous actors in a film or a play
verb [I/T]  /ˈkoʊˌstɑr, ˈkoʊˈstɑr/ (-rr-) us  
[I] Bergman and Bogart costarred in "Casablanca."
(Definition of costar from the Cambridge Academic Content Dictionary © Cambridge University Press)
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