costar

[ noun koh-stahr; verb koh-stahr ]

/ noun ˈkoʊˌstɑr; verb ˈkoʊˈstɑr /

a performer, especially an actor or actress, who shares star billing with another.

a performer whose status is slightly below that of a star.

to share star billing with another performer.

to receive billing of slightly less status than that of a star.

to present (two or more actors) as having equal billing or prominence.

to present as having slightly less status than that of a star.

Nearby words

An Americanism dating back to 1915–20; co- + star

During the filming of To Die For, Affleck shared an apartment in Toronto with his costar, Joaquin Phoenix.
Casey Affleck, Star of ‘Out of the Furnace,’ on His Hollywood Struggles|Marlow Stern|December 2, 2013|DAILY BEAST
Wait… and Shailene, the star of that, is your costar in The Spectacular Now.
Brie Larson On ‘Short Term 12,’ One of the Year’s Best Films|Marlow Stern|August 25, 2013|DAILY BEAST
Usher Monteith's onscreen romance with costar Lea Michele wasn't hard to fake: the two actors were dating in real life as well.
Cory Monteith’s Best ‘Glee’ Performances|Jake Heller|July 14, 2013|DAILY BEAST
The two produced, co-wrote, and costar in Promised Land, the new drama out Friday.
Matt Damon and John Krasinski Talk About Their Bromance, ‘Promised Land,’ and More|Kevin Fallon|December 26, 2012|DAILY BEAST

There was costar Jim Sturgess coming up to hug her, and there was Susan Sarandon giving the director a kiss on the cheek.
The Wachowskis’ ‘Cloud Atlas’ Wows Toronto International Film Festival|Chris Lee|September 9, 2012|DAILY BEAST
Voiture and Costar frequently cite him as a model in their letters.
A Philosophical Dictionary, Volume 10 (of 10)|Franois-Marie Arouet (AKA Voltaire)
A little of Costar's well-known exterminator would rid Mr. Aldrich of this rascal rodent.
The Atlantic Monthly, Volume 18, No. 106, August, 1866|Various