Definition from Wiktionary, the free dictionary
youngster (plural youngsters)
- A young person.
1963, Margery Allingham, chapter 19, in The China Governess:
- As soon as Julia returned with a constable, Timothy, who was on the point of exhaustion, prepared to give over to him gratefully. The newcomer turned out to be a powerful youngster, fully trained and eager to help, and he stripped off his tunic at once.
- 2011, Phil McNulty, Euro 2012: Montenegro 2-2 England 
- In a single moment Montenegro and their supporters were given fresh impetus and encouragement. Beciraj tested Hart with a low shot before teenager Phil Jones, on his England debut, suffered an anxious moment when Stevan Jovetic went down under his challenge, leaving the youngster clearly relieved to see referee Stark wave away Montenegro's appeals.
- See also Wikisaurus:child.
a young person