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

Zac Efron reacts to High School Musical costars Vanessa Hudgens and Ashley Tisdale having babies: 'Fun family reunions coming up' While the couple have yet to address the birth of their child on social media, the photographs were captured on the same day that Tucker celebrated his 28th birthday. —Shania Russell, EW.com, 4 July 2024

Heine was joined by her Everyone Is Doing Great costars James Lafferty and Alexandra Park for the nuptials, who shared their own photos from the Italian getaway. —Kelsie Gibson, Peoplemag, 4 July 2024

Verb

The film is currently in theaters and also costars Lupita Nyong’o, Djimon Hounsou and Alex Wolff. —Lisa Respers France, CNN, 2 July 2024

The movie costars Tia Carrere, Richard Dreyfuss, Jon Heder, Alaina Huffman, Rob Corddry and others. —Jen Juneau, Peoplemag, 1 July 2024

Word History

First Known Use

Noun

1888, in the meaning defined above

Verb

1896, in the meaning defined at sense 2