coup/ku; kuː/ n [C] 1 also 又作 coup d'état /`ku de`tɑ; ˌkuː deɪˈtɑː/ when a group of people suddenly take control of a country, especially by using force 〔尤指使用暴力的〕政变 2 [usually singular 一般用单数] an impressive achievement 成功之举: Winning that contract was a real coup. 赢得那份合同是真正精彩的一着。