From Longman Dictionary of Contemporary Englishteensteens[plural] your teens is the period of your life when you are between 13 and 19 years oldbe in your teens She was in her teens when she met him.early/late teens We moved to York when I was in my early teens. → teen
Examples from the Corpus
early/late teens• There were four black guys in the car, late teens to early 20s.• By her early teens she was under contract to a management firm.• But in her late teens she lost interest.• Tijuana in the late teens already was developing the reputation of a wide-open town.• Iced teas, especially Snapple and Arizona, have been hits with consumers in their late teens and early 20s.• As I got nearer, I saw they were young people, mostly in their late teens and early twenties.• The trick facing the milk industry is to keep kids in the milk habit into their late teens. 