IPA: /ˈtiːneɪdʒd/
KK: /ˈtinˌeɪdʒd/
Referring to someone who is between the ages of thirteen and nineteen.
The teenaged students are preparing for their final exams.
Teenaged → It is formed from "teen" (derived from the word "teenager", which combines "teen" from the numbers thirteen to nineteen) and "-aged" (meaning having the qualities of or relating to). The word "teenaged" refers to someone who is in the age range of thirteen to nineteen years old.
Think of the word 'teen' which refers to the ages from thirteen to nineteen, and the suffix '-aged' indicates a person in that age group.