blockbuster

1 a person or thing that is successful the movie is expected to be the biggest blockbuster of the summer Synonyms hit, megahit, smash, success, supernova, winnerRelated Words blue chip, blue chipper, corker, crackerjack (also crackajack), dandy, jim-dandy, pip, prizewinner; gem, jewel, treasure; marvel, natural, phenomenon, sensation, wonder; coup, triumph, victoryNear Antonyms disappointment, fizzle, lemon, loserAntonyms bomb, bummer, bust, catastrophe, clinker, debacle (also débâcle), dud, failure, fiasco, flop, misfire, turkey, washout

2 something that is unusually large and powerful a blockbuster of a fighter plane Synonyms behemoth, giant, colossus, dinosaur, dreadnought, elephant, Goliath, jumbo, leviathan, mammoth, mastodon, monster, titan, whale, whopperRelated Words amazon, giantess; bulk, hulk; heavyweight; juggernaut, steamrollerNear Antonyms lightweight, weakling, wimp, wisp; nonentity, twerp, whippersnapperAntonyms diminutive, dwarf, half-pint, midget, mite, peewee, pygmy (also pigmy), runt, shrimp