un·ex·piredBrE /ˌʌnɪkˈspaɪəd/ 🔊NAmE /ˌʌnɪkˈspaɪərd/ 🔊 adjective [usually before noun] (of an agreement or a period of time 协议或限期) still valid; not yet having come to an end or expired 有效的;未过期的