teenager
n. countable A1 Beginner Oxford US //ˈtiˌneɪdʒɝ// UK //tˈiːneɪdʒɐ// teenag·er
n. a person who is between 13 and 19 years old. You use this word because these ages end in the word 'teen'.
n. a person aged between thirteen and nineteen years inclusive. Derived from the suffix '-teen' shared by the cardinal numbers of this age range.
The teenager is learning how to drive a car.
Most parents find that their teenager needs more sleep during the summer holidays than during the school term.
Marketing agencies often study how the average teenager uses social media to predict which digital trends will dominate the broader consumer market in the coming decade.
From teenage + -er.