1. [adjective] Of, relating to, or in the manner of a star
2. [verb] Present participle of star
3. [verb] (with a film as its subject) That which has the specified actor or actors, especially those in lead roles, in its cast.
4. [noun] The action of the verb to star.
5. [adjective] Indicating the most important performer or role; 'the leading man'; 'prima ballerina'; 'prima donna'; 'a star figure skater'; 'the starring role'; 'a stellar role'; 'a stellar performance'.