young adult

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

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

:
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The workshop is designed for young adults interested in technology.
•
Many young adults are still living with their parents.
:
adolescentteenageryouthyoungsterjuvenile
:
adultyoungadult educationyoung bloodyoung at heartyoung Turkegg foo young