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
Mark HarrisExamples of costar in a Sentence
Recent Examples on the Web
Fans and former costars alike flooded social media with outpourings of appreciation for his talent and grief at his death.
—ArsTechnica, 7 June 2026
Rudd's career has also been marked by creating dynamic scenes with frequent costars like Steve Carell, Leslie Mann, Seth Rogen and Jason Segel.
—Brian Truitt, USA Today, 7 June 2026
Like her costar, Mendes has spoken about the physicality required for the role.
—Emily Blackwood, PEOPLE, 7 June 2026
The late actor costars as Milt Briggs, the county coroner who helps Daniels' doctor figure out what's killing the locals.
—Britt Hayes, Entertainment Weekly, 5 June 2026
See All Example Sentences for costar
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ArsTechnica, 7 June 2026
Rudd's career has also been marked by creating dynamic scenes with frequent costars like Steve Carell, Leslie Mann, Seth Rogen and Jason Segel.
—Brian Truitt, USA Today, 7 June 2026
Like her costar, Mendes has spoken about the physicality required for the role.
—Emily Blackwood, PEOPLE, 7 June 2026
The late actor costars as Milt Briggs, the county coroner who helps Daniels' doctor figure out what's killing the locals.
—Britt Hayes, Entertainment Weekly, 5 June 2026
See All Example Sentences for costar
Cite this Entry
“Costar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/costar. Accessed 9 Jun. 2026.
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