megastar

a person who is widely known and usually much talked about even a cast of megastars couldn't keep the would-be blockbuster from fizzling at the box office Synonyms big name, cause célèbre (also cause celebre), celeb, figure, icon (also ikon), light, luminary, celebrity, name, notability, notable, notoriety, personage, personality, somebody, standout, star, superstar, VIPRelated Words favorite, heartthrob, hero, idol; demigod, dignitary, eminence, immortal, monument, pillar, worthy; baron, big shot, bigwig, kahuna, magnate, mogul, nabob, panjandrumNear Antonyms lightweight, mediocrity; has-beenAntonyms nobody, noncelebrity