S: (adj) young (being in its early stage) "a young industry"; "the day is still young"
S: (adj) unseasoned, untested, untried, young (not tried or tested by experience) "unseasoned artillery volunteers"; "still untested in battle"; "an illustrator untried in mural painting"; "a young hand at plowing"
S: (adj) younger, jr. (used of the younger of two persons of the same name especially used to distinguish a son from his father) "John Junior"; "John Smith, Jr."