[n] the freshness and vitality characteristic of a young person
[n] young people collectively; "rock music appeals to the young"; "youth everywhere rises in revolt"
[n] a young person (especially a young man or boy)
[n] early maturity; the state of being young or immature or inexperienced
[n] the time of life between childhood and maturity
[n] an early period of development; "during the youth of the project"