Is COSTAR a valid Scrabble word?

Yes. COSTAR is valid in Collins Scrabble Words 2024, the word list used for Scrabble in the UK.

What COSTAR means

• noun - A person who shares star billing with another.
• verb - To perform with the billing of a costar.

Definitions come from Wiktionary via kaikki.org, shortened to fit, and are used under CC BY-SA 4.0.

Anagrams of COSTAR

• ACTORS
• CASTOR
• SCROTA
• TAROCS

Gramlet is a daily word game played with the same Collins list. Play today's board.