Collocations for youth - noun

early
lost
nostalgia for her lost youth

misspent (often humorous)
His lack of qualifications was taken as a sign of a misspent youth.

spend
She spent much of her youth in Hong Kong.

recapture, relive
She saw it as a chance to relive her misspent youth.

waste
He wasted his youth in front of a computer screen.

during your youth
She contracted the disease during her youth.

from youth
from youth to maturity

in your youth
He started going clubbing in his early youth.

since your youth
I haven't danced since my youth!

throughout your youth
He played football throughout his youth.

not in the first flush of youth (esp. BrE)
Though no longer in the first flush of youth she's still remarkably energetic.

comparative, extreme (both esp. BrE)
Her extreme youth was against her.

eternal
in search of eternal youth

have
You still have your youth—that's the main thing.

the fountain of youth (figurative)
The new cream is marketed as the fountain of youth.

male
black, white
callow, impressionable, innocent
He was a callow youth when he joined the newspaper.

spotty (BrE)
She's going out with some spotty youth.

fresh-faced (esp. BrE)
gangling (esp. BrE), gangly (esp. AmE), lanky
at-risk, high-risk, troubled

gang (esp. BrE), group

modern
the aspirations of modern youth

local
inner-city, street (AmE), urban
working-class
immigrant
gay, Hispanic, Muslim
delinquent, disaffected
unemployed
educated
gilded (BrE), privileged

educate
a program to educate our youth on the causes of health problems

target
The website targets unemployed youth.

corrupt

culture, subculture
centre/center, club, group, movement, organization
outreach (esp. AmE), programme/program (esp. AmE), scheme (BrE), work (esp. BrE)
youth outreach programs run by the charity

audience, market
sport (esp. BrE), sports (esp. AmE)
coach, team
basketball, football, hockey, etc.
band, orchestra
coordinator, leader, worker
minister, pastor (both AmE)
employment, training, unemployment
gang
violence
court, crime, custody (BrE)
a crackdown on youth crime

camp, hostel

the country's youth, the nation's youth
the youth of today, today's youth