成せい熟じゅく期きMeaningsNoun1. period of maturity; adolescence; pubertyKanji used成become熟mature期period (of time)Composed of成せい熟じゅくmaturity; ripenessNoun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