定てい期き的てきていきてきCommon wordJLPTN2Meanings1na-adjectiveperiodic; regular; routineDescribes events, actions, or states that occur at fixed intervals or on a recurring schedule. Often used with に as an adverb.この会かい議ぎは定てい期き的てきに開ひらかれている。This meeting is held regularly.定てい期