As a teen he committed the heinous crime of stabbing two young Israelis.
Bob and Frieda were still carrying on their teen love after Nazi tanks had appeared on the streets.
Plus, read Parts I and III of Lucinda Franks' series on teen bullying: How teens Bully to Death and How to Stop a Bully.
"teen-aged person," 1818 (but rare before 20c.), from -teen. As an adjective meaning "of or for teen-agers," from 1947.
combining form meaning "ten more than," from Old English -tene, -tiene, from Proto-Germanic *tekhuniz (cf. Old Saxon -tein, Dutch -tien, Old High German -zehan, German -zehn, Gothic -taihun), an inflected form of the root of ten; cognate with Latin -decim (cf. Italian -dici, Spanish -ce, French -ze). The combining form of ordinal numbers, -teenth, developed from Old English -teoða, -teoðe (West Saxon), teogoða (Anglian) "tenth."