juvenile

Synonyms: adolescent babyish beardless blooming boyish budding callow childlike developing formative fresh girlish green growing immature inexperienced infant infantile jejune junior kid stuff milk-fed naive pubescent puerile teenage tender undeveloped unfledged unripe unsophisticated unweaned vernal young younger youthful

Antonyms: adult grown-up mature

Synonyms: adolescent boy child girl infant kid minor youngster youth

Antonyms: adult