愆期 Traditional form: 愆期 Pinyin (reading): qiānqī Definitions: (formal) to delay to miss a deadline to fail to do sth at the appointed time Characters: 愆 - error, fault, mistake, transgression 期 - a period of time; date, time; phase Traditional characters: 愆 - error, fault, mistake, transgression 期 - a period of time; date, time; phase