old-fashioned or without the most recent information and therefore no longer useful 过时的;缺乏新信息的◆These figures are very out of date. 这些数字早已过时。◆out-of-date technology 落伍的技术➡outdated
no longer valid 过期的;失效的◆This licence is out of date. 这本执照已过期。➡up to date