youth 
/ˈju:θ/ noun
plural youths /ˈju:θ/ noun /ˈju:ðz/ 1 [noncount] : the time of life when someone is young : the time when a young person has not yet become an adult
▪ She had a troubled/privileged youth. ▪ He spent his youth in the Midwest. ▪ He got into a lot of trouble in his youth. ▪ a generation trying to recapture lost youth ▪ youth groups ▪ (Brit) a youth club [=a club that provides various activities for young people] — see also fountain of youth 2 [noncount] : the time when something is new and not yet established
▪ when the industry was still in its youth 3 [count] : a teenage boy or young man
▪ a tough-looking youth ▪ Four youths are suspected of starting the fire. 4 the youth : young people
▪ the youth of today ▪ The show sends a strong message to the youth of America. ▪ The city's youth need strong role models. 5 [noncount] : the quality or state of being young
▪ She's 70 years old but still full of youth.
▪ She had a troubled/privileged youth. ▪ He spent his youth in the Midwest. ▪ He got into a lot of trouble in his youth. ▪ a generation trying to recapture lost youth ▪ youth groups ▪ (Brit) a youth club [=a club that provides various activities for young people] — see also fountain of youth
▪ when the industry was still in its youth
▪ a tough-looking youth ▪ Four youths are suspected of starting the fire.
▪ the youth of today ▪ The show sends a strong message to the youth of America. ▪ The city's youth need strong role models.
▪ She's 70 years old but still full of youth.
gilded youth — see gild
