adjective
- of, relating to, or characteristic of a teenager.
adjective Also: teenaged
- (prenominal) of or relating to the time in a person’s life between the ages of 13 and 19 inclusive
noun
- this period of time
adj.also teen age, teen-age; 1911, formed from -teen as a separate word + age (n.). Originally in reference to Sunday School classes. Teen-aged (adj.) is from 1922.