Sensible Vocabulary: Similar words and phrases Bodily and mentally mature & immature Grownup adulting ageing babyish childish immature immaturely immaturity infantile juvenile maturity overgrown petulance petulancy petulant petulantly puerility secondary sexual characteristic sophomoric young at heart idiom See far more results » In de Verenigde Staten zag hij de fentany­lcrisis https://mature52.com