/ˈdedlaɪn ||; ˈdɛdˌlaɪn/noun [C] a time or date before which sth must be done or finished 截止时间；截止日期；限期: I usually set myself a deadlinewhen I have a project to do. 我要做一件事的时候，通常给自己规定期限。A journalist is used to having to meet deadlines. 新闻记者习惯必须在限期内完成工作。