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co-star

British  

noun

  1. an actor who shares star billing with another

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to share star billing (with another actor)

  2. (tr) to present as sharing top billing

    the film co-starred Mae West and W. C. Fields

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Amid his ongoing romance with his former Broadway co-star Sutton Foster, Jackman, 57, is making another attempt to offload his longtime Manhattan base, which he and Furness, 70, purchased for $21 million in 2008.

From MarketWatch • Apr. 6, 2026

Indeed, as the authors point out, Mr. De Niro’s co-star Al Pacino was 77 while portraying a 47-year old Jimmy Hoffa in the film.

From The Wall Street Journal • Apr. 1, 2026

Wilson dated fellow “Summer House” co-star Ciara Miller, a close friend of Batula, in 2023.

From Los Angeles Times • Mar. 31, 2026

She was also asked who would be best to take over as the next James Bond from co-star Craig.

From BBC • Mar. 31, 2026

You just can’t have a scene without a co-star.

From "Better Nate Than Ever" by Tim Federle