youthful Synonyms

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