Collins COBUILD Advanced Learner's English Dictionary - co-star

(co-stars, co-starring, co-starred) Note: in AM, also use 'costar' 1. An actor’s or actress’s co-stars are the other actors or actresses who also have one of the main parts in a particular film. During the filming, Curtis fell in love with his co-star, Christine Kaufmann. N-COUNT: usu poss N 2. If an actor or actress co-stars with another actor or actress, the two of them have the main parts in a particular film. This fall she co-stars in a film with the acclaimed British actor Kenneth Branagh... Wright and Penn met when they co-starred in the movie ‘State Of Grace’... Cosby had originally selected her to co-star in his movie ‘Leonard Part 6’. V-RECIP: V with n, pl-n V in n, V in n (non-recip) 3. If a film co-stars particular actors, they have the main parts in it. Produced by Oliver Stone, ‘Wild Palms’ co-stars Dana Delaney, Jim Belushi and Angie Dickinson. VERB: V n