teen·ag·er(t,,n',,'j?r) n. A person between the ages of 13 and 19; an adolescent.ad·o·les·cent(,,d'l-,,s'?nt) n. A young person who has undergone puberty but who has not reached full maturityman /mæn/ n. An adult male person, as distinguished from a boy or a woman.male /me?l/ n. A person bearing an X and Y chromosome pair in the cell nuclei and normally having a penis, scrotum, and testicles, and developing hair on the face at adolescence; a boy or man.