youthful Synonyms

juvenile young green immature untried fresh-faced teenaged unripe new puerile vigorous teen vernal girlish fresh inexperienced adolescent boyish budding callow childish childlike young-looking hebetic youthy youth youngster youngling youngish underage unworldly unsophisticated in one's salad days baby-faced wet behind the ears rosy-cheeked carefree boylike in the springtime of life lighthearted youthfulness jung youngest well-preserved younger young at heart unseasoned unfledged juvenal junior