costar

1 of 2

noun

co·​star ˈkō-ˌstär 

variants or co-star

plural costars or co-stars

: one of two or more main performers who star in a movie, play, etc.

… the star seems more relaxed and confident, and there's a bracing snap to the byplay between him and his costars.

—Mark Harris

costar

2 of 2

verb

variants or co-star

costarred or co-starred; costarring or co-starring

1

transitive : to employ or present (someone) as one of two or more leading performers in a movie, play, etc.

Directed by Lasse Hallström … and costarring a fine ensemble …

—Leonora Langley

2

intransitive : to appear with another star in a movie, play, etc.

Examples of costar in a Sentence

Recent Examples on the Web

Noun

The film, which reunites him with Annie (2014) costar Cameron Diaz, follows former CIA agents who are pulled back into espionage when their identities are discovered. —Tommy McArdle, People.com, 1 Nov. 2024

At least one of Fischer's costars was in on the surprise, though. —Raechal Shewfelt, EW.com, 1 Nov. 2024

Verb

The movie costars Bailey as Fiyero, Jeff Goldblum as the Wizard, Marissa Bode as Nessarose, Bowen Yang as Pfannee, Keala Settle as Miss Coddle, Ethan Slater as Boq and Michelle Yeoh as Madame Morrible. —Jack Smart, People.com, 1 Nov. 2024

Johansson called upon her Marvel Cinematic Universe (MCU) costars Robert Downey Jr., Don Cheadle, Chris Evans, Danai Gurira, Mark Ruffalo and Paul Bettany to encourage their collective followers to vote in the election in a new video posted to Downey Jr.’s Instagram page on Thursday. —Alli Rosenbloom, CNN, 31 Oct. 2024

Word History

First Known Use

Noun

1888, in the meaning defined above

Verb

1896, in the meaning defined at sense 2