costar
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plural
costars
plural
costars
Learner's definition of COSTAR
[count]
:
one of two or more main actors in a movie, television show, or play
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the actress and her two costars
— costar
verb costars; costarred; costarring
[+ object]
[no object]
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The film costarred Katharine Hepburn and Spencer Tracy.
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He costarred in her most successful film.
