DEBACLE Meaning of DEBACLE in English [ deɪ'bα:k(ə)l ]■ noun an utter failure or disaster.OriginC19: from Fr. débâcle , from débâcler 'unleash', from dé- 'un-' + bâcler 'to bar' (from L. baculum 'staff'). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004