Clever Vocabulary: Relevant terms and phrases Physically and mentally mature & immature Grownup adulting getting older babyish childish immature immaturely immaturity infantile juvenile maturity overgrown petulance petulancy petulant petulantly puerility secondary sexual characteristic sophomoric younger at heart idiom See more effects » Onze redactie maakt al jaren uitleg­movie’s. Di... https://mature52.com