[n] a baby from birth to four weeks [adj] having just or recently arisen or come into existence; "new nations"; "with newborn fears" [adj] recently borne; "a newborn infant"
immature, neonate, new, newborn baby, newborn infant, newly arisen, new-sprung(a), young
babe, babish, baby, babyish, bantling, bay, bearing, born, calved, cast, dollish, doll-like, dropped, factory-new, foaled, given birth, giving birth, hatched, in arms, in diapers, in mint condition, in nappies, in swaddling clothes, in the cradle, infant,