UnscrambleTheWord.cocostar
Is it a Scrabble word? See definition, points, and words you can make.
Is costar a Scrabble word?
Word Games
- Scrabble US/Canada (OTCWL) Yes
- Scrabble UK (SOWPODS) Yes
- Wordle No
- Words With Friends Yes
Scrabble US/Canada (OTCWL) 
Wordle 
Words With Friends What is the meaning of costar?
Definition
noun (English)
1. (acting) A person who shares star billing with another.Examples: "The once famous actor objected to his costar having a bigger dressing room."
2. (acting) A person who slightly lacks the status to be considered a star.Examples: "Alas, always a costar but never a star."
verb (English)
1. (intransitive) To perform with the billing of a costar.Examples: "People thought his career was over but now he will get to costar on Broadway next month."intransitive
2. (transitive) To feature (a number of star performers) jointly.Examples: "Purchasing a snowplow transforms Homer into a new man. Mr. Burns' laziest employee suddenly becomes an ambitious self-starter who buys ad time on local television at 3:17 A.M^([sic]) (prime viewing hours, Homer gingerly volunteers, for everyone from alcoholics to the unemployable to garden-variety angry loners) and makes a homemade commercial costarring his family."transitive
Definition source: Wiktionary