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

The transformation also drew praise from Petsch's Riverdale costars Camila Mendes and Lili Reinhart. —Catherine Santino, Peoplemag, 16 July 2024

Reba McEntire will be back onscreen with her Reba costar Melissa Peterman this fall. —Raechal Shewfelt, EW.com, 16 July 2024

Verb

Just this week, Twisters costars Daisy Edgar-Jones, Glen Powell and Anthony Ramos joined the sweeping trend by putting their own spin on moves that thousands of fans have already replicated. —Njera Perkins, Peoplemag, 17 July 2024

Luca Guadagnino’s drama, which debuted in April, costars Mike Faist and Josh O’Connor. —Hannah Malach, WWD, 14 July 2024

Word History

First Known Use

Noun

1888, in the meaning defined above

Verb

1896, in the meaning defined at sense 2