新しん世せい紀き世せ代だいMeaningsNoun1. millennials; millennial generationKanji used新new世world紀era代substituteComposed of新しんnew; neo-; newness; novelty; Gregorian calendarPrefix世せい紀きcentury; era; of the century (e.g. fight of the century)Noun世せ代だいgenerationNoun