Nouns

(n)star(astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
(n)ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wizsomeone who is dazzlingly skilled in any field
(n)starany celestial body visible (as a point of light) from the Earth at night
(n)star, principal, lead1an actor who plays a principal role
(n)stara plane figure with 5 or more points; often used as an emblem
(n)headliner, stara performer who receives prominent billing
(n)asterisk, stara star-shaped character * used in printing
(n)star topology, starthe topology of a network whose components are connected to a hub

Verbs

(v)starfeature as the star“The movie stars Dustin Hoffman as an autistic man”
(v)starbe the star in a performance
(v)star, asteriskmark with an asterisk“Linguists star unacceptable sentences”

Adjectives

(s)leading, prima, star, starring, stellarindicating 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”