youngster

noun

young·​ster ˈyəŋ(k)-stər 

1

a

: a young person : youth

b

: child

2

: a young animal or plant especially of a domesticated or cultivated breed or type

Synonyms of youngster

• kid
• child

Examples of youngster in a Sentence

As a youngster, he was very shy.

bright-eyed youngsters interested in learning

Recent Examples on the Web

On the way to save her beloved canine buddy Krypto, the party-hearty but tortured Supergirl teams up with a vengeful youngster (Ruthye Marye Knoll) and a rambunctious intergalactic bounty hunter (Jason Momoa). —Brian Truitt, USA Today, 28 Apr. 2026

That included Ty Hawkins and his team of youngsters of the Missouri Phenom AAU program. —Kansas City Star, 28 Apr. 2026

Some youngsters, like McCall Elementary School fifth grader Camila Garcia, were both youthful celebrants and feting other children at the same time. —Steve Sadin, Chicago Tribune, 28 Apr. 2026

While playing his first full season as a starter last year, Manning looked like an erratic youngster for the first half of 2025, before eventually settling in and playing much better ball down the stretch. —Nick Baumgardner, New York Times, 27 Apr. 2026

Word History

First Known Use

1589, in the meaning defined at sense 1a

Kids Definition

youngster

noun

young·​ster ˈyəŋ(k)-stər 

1

: a young person : youth

2

: child sense 2a