• Costar

    Origin

    - + star

    Full definition of costar

    Noun

    costar

    (plural costars)
    1. (acting) A person who shares star billing.The once famous actor objected to his costar having a bigger dressing room.
    2. (acting) A person who slightly lacks the status to be considered a star.Alas, always a costar but never a star.

    Verb

    1. to perform with the billing of a costar.People thought his career was over but now he will get to costar on Broadway next month.
    © Wiktionary