costar

or co-star

[ noun koh-stahr; verb koh-stahr ]

/ noun ˈkoʊˌstɑr; verb ˈkoʊˈstɑr /

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noun

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

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

verb (used without object), co·starred, co·star·ring.

to share star billing with another performer.

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

verb (used with object), co·starred, co·star·ring.

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

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

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Origin of costar

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

Words nearby costar

costal arch, costal cartilage, costalgia, Costa Mesa, Costanoan, costar, costard, Costa Rica, Costa Rican, costate, cost-benefit

How to use costar in a sentence

During the pandemic, nearly half of all employees with advanced degrees were working remotely, while more than 90% of those with a high school diploma or less had to show up in person, CoStar found.
The Pandemic Revealed How Much We Hate Our Jobs. Now We Have a Chance to Reinvent Work|Joanne Lipman|May 27, 2021|Time
After signing on to the film, Moore enlisted the services of her 30 Rock costar Alec Baldwin to play her caring husband.
Julianne Moore Is Oscar Gold in ‘Still Alice’|Marlow Stern|December 24, 2014|DAILY BEAST
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
Her Spring Breakers costar, James Franco, is apparently a pretty big fan, too.
Selena Gomez on Playing a Bikini-Clad Vigilante in ‘Spring Breakers’|Marlow Stern|March 20, 2013|DAILY BEAST
Gutenbergs priority is disputed by those who deem Lawrence Costar, of Haarlem, the real inventor of the art.
Introduction to the Literature of Europe in the Fifteenth, Sixteenth, and Seventeenth Centuries, Vol. 1|Henry Hallam
As for Bony, De Costar says he was very cool during the whole day, and even gay.
Memoirs of the Life of Sir Walter Scott, Volume V (of 10)|John Gibson Lockhart
As the cannon-balls flew over them, De Costar ducked; at which the Emperor laughed, and told him they would hit him all the same.
Memoirs of the Life of Sir Walter Scott, Volume V (of 10)|John Gibson Lockhart
In our rounds we fell in with Monsieur de Costar, with whom he got into conversation.
Memoirs of the Life of Sir Walter Scott, Volume V (of 10)|John Gibson Lockhart
Voiture and Costar frequently cite him as a model in their letters.
A Philosophical Dictionary, Volume 10 (of 10)|Franois-Marie Arouet (AKA Voltaire)

British Dictionary definitions for costar

co-star

noun

an actor who shares star billing with another

verb -stars, -starring or -starred

(intr often foll by with) to share star billing (with another actor)

(tr) to present as sharing top billingthe film co-starred Mae West and W. C. Fields

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012