1. (noun)star (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
2. (noun)ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz someone who is dazzlingly skilled in any field
3. (noun)star any celestial body visible (as a point of light) from the Earth at night
8. (noun)star topology, star the topology of a network whose components are connected to a hub
9. (adj)leading(p), prima(p), star(p), starring(p), stellar(a) 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"
10. (verb)star feature as the star "The movie stars Dustin Hoffman as an autistic man"