break-upBrE /ˈbreɪk ʌp/ 🔊NAmE /ˈbreɪk ʌp/ 🔊 noun [countable, usually singular, uncountable] the ending of a relationship or an association （关系、联系、交往的）破裂，中断◆a marital break-up婚姻破裂 [countable] the division of a large organization or country into smaller parts （组织、国家的）拆分，分裂，分离