From Longman Dictionary of Contemporary Englishco-starco-star1 /ˈkəʊ stɑː $ ˈkoʊ stɑːr/ noun [countable] AACTOR/ACTRESSone of two or more famous actors who appear together in a film or play► see thesaurus at actor
Examples from the Corpus
co-star• Andrew Faulds may have a co-star yet.• His first wife was his co-author and co-star of Fawlty Towers, Connie Booth.• Grant and co-star Julianne Moore provide only modest charm as the couple expecting their first baby.• Perhaps a different hat like the cowl co-star George Clooney will be wearing as the next Batman.• Unlike her former co-star, Antonio Banderas, Abril has not been tamed by Hollywood.• Neither Stone, her co-star William Baldwin or the rest of the cast were involved.• Stan Laurel appeared in many comedies with his co-star Oliver Hardy.• Hepburn was Humphrey Bogart's co-star in the movie 'African Queen'.• Houston's co-star in "The Bodyguard" was Kevin Costner.co-starco-star2 verb (co-starred, co-starring) [intransitive] AACTOR/ACTRESSto be working in a film or play with other famous actorsco-star with/in She’s co-starring in a TV version of the 1960s thriller. He co-starred with Bruce Willis in the movie ‘Die Hard’.→ See Verb tableExamples from the Corpus
co-star• Easy Rider had not yet burgeoned when he cast Nicholson to co-star alongside Barbra Streisand.• Last year Demi, who co-starred in Ghost, hired an amusement park for 37-year-old Bruce's big day.• De Niro had to fight for him to co-star in GoodFellas, but that was the picture which changed it all.• Annette Bening co-starred in movies such as 'Valmont', 'Postcards from the Edge' and 'Regarding Henry'.• She co-starred in Share My Lettuce with Ken.• The movie co-stars Sarah Jessica Parker, Elle Macpherson and Ben Stiller.co-star with/in• She's just picked up this bloomin' nice bunch from her co-stars in a new London play.• Beginning Friday, the Civic will co-star in a new science-fiction thriller about genetic engineering, called Gattaca.• Last year Demi, who co-starred in Ghost, hired an amusement park for 37-year-old Bruce's big day.• De Niro had to fight for him to co-star in GoodFellas, but that was the picture which changed it all.• She co-starred in Share My Lettuce with Ken.• She is with her co-star in the Henry James film-let's call him James. 