| n. | 1. | (Geol.) A breaking or bursting forth; a violent rush or flood of waters which breaks down opposing barriers, and hurls forward and disperses blocks of stone and other débris. |
| 2. | A sudden breaking up or breaking loose; a violent dispersion or disruption; impetuous rush; outburst. | |
| 3. | a complete and ludicrous failure; a rout, as of an army; a great disaster; a fiasco. |
| Noun | 1. | debacle - a sudden and violent collapse Synonyms: fiasco |
| 2. | debacle - flooding caused by a tumultuous breakup of ice in a river during the spring or summer | |
| 3. | debacle - a sound defeat |