Definition from Wiktionary, the free dictionary
- A person who has achieved sexual maturity but whose character and personality are still developing as they gain experience
- This is a nebulous concept and no fixed ages can be sensibly assigned to the term.
- However . . .
- in psychology, an age-range of 18 to 40 is sometimes quoted.
- in publishing, young-adult fiction is aimed at adolescents with an age-range of 12 to 18.