(尤指演讲、表演、发言等)即兴的;无准备的;临时的。(也可作名词,指“即兴表演/即兴演说”。)
/ɪmˈprɒmptjuː/(英)
/ɪmˈprɑːmptuː/(美)
We had an impromptu meeting after lunch.
午饭后我们临时开了个会。
Her impromptu speech moved everyone in the room, even though she had no notes and no time to prepare.
她的即兴发言打动了在场的每个人,尽管她没有讲稿,也没有准备时间。
impromptu 源自拉丁语 in promptu,意为“在手边、随时可用”,引申为“无需准备、随时就能做的”,后来进入法语并被英语吸收,常用来形容“当场想出来/当场进行”的言行或活动。