debacle/deɪˈbɑkəl/Pluraldebacles1a huge and unexpected failure, usually due to a lack of a good planSynonyms: fiasco2an absolute failure which leads to shame or disgraceSynonyms: slaughterwallopingthrashingwhippingtrouncingdrubbing3flooding caused by a tumultuous breakup of ice in a river during the spring or summer