过期 Traditional form: 過期 Pinyin (reading): guòqī Definitions: to be overdue to exceed the time limit to expire (as in expiration date) Characters: 过 - pass; to go across, to pass through 期 - a period of time; date, time; phase Traditional characters: 過 - pass; to go across, to pass through 期 - a period of time; date, time; phase