young adult

US /ˌjʌŋ ˈæd.ʌlt/
UK /ˌjʌŋ ˈæd.ʌlt/
"young adult" picture
1.

jeune adulte, jeunes adultes

a person who is no longer a child but not yet fully adult, typically between the ages of 18 and 25

:
The workshop is designed for young adults interested in technology.
L'atelier est conçu pour les jeunes adultes intéressés par la technologie.
Many young adults are still living with their parents.
De nombreux jeunes adultes vivent encore chez leurs parents.