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costar

American  
[koh-stahr, koh-stahr] / ˈkoʊˌstɑr, ˈkoʊˈstɑr /
Or co-star

noun

  1. a performer, especially an actor or actress, who shares star billing with another.

  2. a performer whose status is slightly below that of a star.


verb (used without object)

costarred, costarring
  1. to share star billing with another performer.

  2. to receive billing of slightly less status than that of a star.

verb (used with object)

costarred, costarring
  1. to present (two or more actors) as having equal billing or prominence.

  2. to present as having slightly less status than that of a star.

Etymology

Origin of costar

An Americanism dating back to 1915–20; co- + star

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.

Shaw Group accused CoStar’s board of refusing to address “the company’s reckless spending of shareholder capital and significant and longstanding underperformance.”

From Barron's

Shaw Group accused CoStar’s board of refusing to address “the company’s reckless spending of shareholder capital and significant and longstanding underperformance.”

From Barron's

CoStar Group slid 4.9% after the real-estate data company issued first-quarter guidance that came in short of analysts’ expectations.

From Barron's

CoStar, which is one of several software stocks that have tumbled in recent weeks, also said it would ramp up spending on AI.

From Barron's

CoStar Group, Zillow, and Rocket, which all have businesses tied to home buying and selling tech, were down 1.9%, 2.9%, and 4.5%, respectively.

From Barron's