The most common and most likely answer to this crossword clue is the 7 letter word TEENAGE
T
E
E
N
A
G
E
More clues leading to the result TEENAGE
- Support old horse, note, quite young
- Herts town, neither small nor very relevant to youth
- Links support with leaders of nation after general election, probably in minority?
- Adolescent as a born troublemaker originally, growing up
- Adolescent rock star Bruce jumps off stage — one way to go!
- Young cuckoo eaten by goose, having dropped guts
- Before start of Epsom, support horse that’s old
- Adolescent is rebellious free agent, putting father off
- Supporter, eg one retired after N Young
- Stand and scold over end of immature adolescent
Buddy explains!

The straight part
We know that "Young" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case young = teenage.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TEENAGE mean?
TEENAGE noun- Brushwood for fences and hedges.
- Of or relating to an age between thirteen and nineteen years old.