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 motion picture, 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 motion picture, play, etc.

Directed by Lasse Hallström … and costarring a fine ensemble …

—Leonora Langley

2

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

Examples of costar in a Sentence

Recent Examples on the Web

Noun

Simone Ashley is standing up for her friend and Bridgerton costar Nicola Coughlan. —Erin Clack, Peoplemag, 22 June 2024

On set, Lee bonds with Tony’s pop-musician costar, Blake (Chloe Bailey), the lead singer of Vampire Sorority. —Owen Gleiberman, Variety, 20 June 2024

Verb

But his latest professional project is the romantic comedy A Family Affair, which costars Nicole Kidman and Joey King, and is available June 28 to stream on Netflix. —Raechal Shewfelt, EW.com, 14 June 2024

The film costars Joey King as Zara, a young woman working as an assistant for movie-star Chris Cole (Efron, 36), who becomes romantically entangled with Zara’s mother (Kidman). —Jen Juneau, Peoplemag, 29 May 2024

Word History

First Known Use

Noun

1888, in the meaning defined above

Verb

1896, in the meaning defined at sense 2