a person who is between 13 and 19 years olda magazine aimed at teenagersWordfinderyoungadolescent,immature,mixed up,naive,puberty,rebellious,sulky,tearaway,teenager,youngOxford Collocations Dictionaryadjectiveolder,young,normal,…Seefull entrySee related entries:YouthExtra examplesHe had grown from a tall, gangly teenager to a handsome young man.He’s acting like a lovesick teenager.Residents have been disturbed by large groups of rowdy teenagers.She’s just acting like a normal teenager.a young teenager of fourteenI first got into music as a teenager.Many teenagers are embarrassed by their parents.They complained about the behaviour of local teenagers in the park.We specifically choose topics that will appeal to teenagers.
See teenager in the Oxford Learner's Dictionary of Academic EnglishSee teenager in the Oxford Advanced American Dictionary