Synonyms for debacle Found 7 synonyms across 2 meanings for “debacle”. a sudden and violent collapse (noun) fiasco a sound defeat (noun) thrashingwallopingdrubbingslaughtertrouncingwhipping Explore Related Words Rhymes with debacleSynonyms for fiascoSynonyms for thrashingSynonyms for wallopingSynonyms for drubbingSynonyms for slaughter Synonym Finder | Rhyme Finder | Poetry Editor