What is another word for "callow"?

Roget's Thesaurus (1911) lists these synonyms for "callow": age, altogether, and, babyhood, back, bald, bare, bareback, barebacked, barefoot, bareness, beardless, birthday, bloom, boyhood, budding, buff, cast, childhood, coot, cover, cradle, decorticate, decortication, denudation, denude, depilation, desquamation, disfurnish, dishabille, dismantle, disrobe, divest, divestment, doff, dress, enrobe, excoriate, excoriation, exfoliate.