成せい人じん期きMeaningsNoun1. adult period; adulthoodKanji used成become人person期period (of time)Composed of成せい人じんadult; grown-up; becoming an adult; coming of age; growing up (to be a man, woman)Noun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