衰すい退たい期きMeaningsNoun1. phase of decline; ebb; twilightKanji used衰decline退retreat期period (of time)Composed of衰すい退たいdecline; degeneration; decay; waning; ebbingNoun期きperiod; time; opportunity; chance; occasion; age; term (e.g. in office); session (e.g. of parliament); stage (e.g. of a disease); season (e.g. of a TV series)Noun