1 : being in its early stage; "a young industry"; "the day is still young"
2 : (of crops) harvested at an early stage of development; before complete maturity; "new potatoes"; "young corn"
3 : suggestive of youth; vigorous and fresh; "he is young for his age"
4 : not tried or tested by experience; "unseasoned artillery volunteers"; "still untested in battle"; "an illustrator untried in mural painting"; "a young hand at plowing"
