mishapPronunciation: /ˈmɪshap/Translate mishap | into French | into German | into Italian | into Spanish Definition of mishap noun an unlucky accident:although there were a few minor mishaps, none of the pancakes stuck to the ceiling [mass noun]:the event passed without mishapOrigin: Middle English: from mis-1 + hapmishap in other Oxford dictionaries Definition of mishap in the US English dictionary