debacle

1 a sudden violent event that brings about great loss or destruction the financial debacle that was the stock market crash of 1929 Synonyms apocalypse, calamity, cataclysm, catastrophe, disaster (also débâcle), tragedyRelated Words bloodbath, collapse, crash, meltdown; Armageddon, doomsday, end-time; convulsion, paroxysm, upheaval; accident, casualty, fatality; misadventure, mischance, misfortune, mishap; blast, blow, double whammy, one-two (or one-two punch)Near Antonyms godsend, manna, windfall

2 something that has failed the movie, which some had predicted would be a blockbuster, turned out to be the summer's biggest debacle at the multiplexes Synonyms bomb, bummer, bust, catastrophe, clinker, clunker, failure (also débâcle), disaster, dud, fiasco, fizzle, flop, frost, lemon, loser, miss, shipwreck, turkey, washoutRelated Words also-ran, disappointment, dog, has-been, near miss; botch, hash, mess, muddle, shambles; nonevent; nonstarterNear Antonyms corker, crackerjack (also crackajack), dandy, jim-dandy, phenomenonAntonyms blockbuster, hit, smash, success, winner