de·ba·cle /diˈbɑkəl, ˈbæ; &dɪvɪdɛ;ˈdɛbəkəl/
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.
n 1: a sudden and violent collapse [syn: fiasco]
2: flooding caused by a tumultuous breakup of ice in a river
during the spring or summer
3: a sound defeat [syn: thrashing, walloping, drubbing, slaughter,