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