infantile Synonyms

childish puerile unripened teen sophomoric silly raw pubescent original newborn new nascent naive minor milky teenage tender unfledged hissy dootsie wet behind the ears bairnly kiddish undeveloped neonatal man-child youthful young vernal unsophisticated unripe little kiddy juvenile foolish epigenetic embryonic childlike childhood child callow budding boyish beginning babyish baby babish formative fresh gestatory