lateteenyears
nounUK /ˌleɪt tiːn ˈjɪəz/
US /ˌleɪt tin ˈjɪrz/
The last few years when someone is a teenager, around ages 17 to 19.
In her late teen years, she learned to drive and got her first job.
OTHER MEANINGS
2. The final stage of being a teen, just before becoming an adult.
His late teen years were full of big decisions about college.
3. A period of growing independence near the end of the teenage years.
During her late teen years, she started making more choices on her own.
4. The time when a person is 17, 18, or 19 years old.
The camp is designed for kids in their late teen years.