American Heritage® Dictionary of the English Language, Fourth Edition
- n. A starring actor or actress given equal status with another or others in a play or film.
- v. To act or present as a costar.
- n. acting A person who shares star billing.
- n. acting A person who slightly lacks the status to be considered a star.
- v. To perform with the billing of a costar.
- co- + star (Wiktionary)
“Mi idea es que los tamales se preparan por muchas razones, entre ellas: 1) rinden bastante; 2) ya que estén preparados, los que lleguen pueden comer a gusto sin costar más trabajo a los familiares y se pueden dedicar a los rezos.”
“If the 3 Series is the star of the commercial, then the costar is the Gravity Slider -- the revolutionary camera rig created especially for the BMW shoot.”
“Spartacus" is a flashy, big-budget attempt to forge a brand, complete with a big-name costar (Lucy Lawless, erstwhile heroine of the syndicated "Xena: Warrior Princess") and the heavily stylized, comic-book-like use of green-screen technology familiar from movies like "300" and "Sin City.”
“She is best known as the costar, alongside teen dreamboats the Jonas Brothers, of the Disney TV movie”
“Adds his British-born costar, We had about eight days from when I got the role to shooting.”
“Getty Images The show's creator and costar, Mike White.”
“She won't have to deal with those Anthony rumors anymore -- he was her costar on the show.”
“Maybe NBC should sign Timberlake and Gaga to costar in an old-time variety-show together — they could be the Sonny and Cher of the 21st century.”
“Levi grabbed a microphone to lip-synch along to Britney Spears' "Hold It Against Me" — just one of the many tunes spun by an on-set DJ — while Favorite Villain costar and onetime James Bond Timothy Dalton gamely pelted him with maraschino cherries and even drank champagne out of a Giuseppe Zanotti stiletto.”
“Brian Austin Green is suing his former Beverly Hills, 90210 costar -- and the mother of his son -- Vanessa Marcil-Giovinazzi, according to TMZ.”
Looking for tweets for costar.