adj. 1 youthful, teenage(d), adolescent, prepubescent, pubescent, juvenile, minor, junior, under age Would you believe that she has young children? 2 boyish, girlish; immature, callow, green, inexperienced, unfledged, uninitiated, unsophisticated, childlike, innocent, naïve This programme may contain material unsuitable for young ears 3 childish, puerile, infantile, babyish, US sophomoric He's too young to invite to the party
n. 4 offspring, babies, issue, little ones, progeny, litter, brood; children The cat's young should stay with her for a few weeks