/fiˈæskəʊ ||; fɪˈæsko/noun [C] (plural fiascos (US also 美亦作) fiascoes) an event that does not succeed, often in a way that causes embarrassment 大失败，惨败（往往使人下不了台）: Our last party was a complete fiasco. 我们上次的聚会糟糕极了。