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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.

Fun fact: Hamm’s “Mad Men” co-star John Slattery also appears in the movie, which is a riff on “The Wizard of Oz.”

From The Wall Street Journal • Jun. 6, 2026

It's a quality that co-star Amy Adams says makes Cady a "patient predator."

From Barron's • Jun. 3, 2026

It was handed to by his Chapter 16 collaborator and Top Boy co-star Dave.

From BBC • May 21, 2026

The documentary includes discussions about your public past relationships, like with your co-star Jason Donovan, then about Michael Hutchence and Nick Cave.

From Los Angeles Times • May 19, 2026

“Nothing, really. Nothing at all. Just a chance to co-star with you on a regular basis. Oh, did I mention that Nala and Scruffy love, love, love working with Fred?”

From "Dog Squad" by Chris Grabenstein

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