from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to the period preceding adulthood or the adult stage of the life cycle: preadult anxieties; the preadult morph.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not yet adult.
- n. One who is not yet an adult.
from The Century Dictionary and Cyclopedia
- Youthful; prior to the advent of adult life.
pre- + adult (Wiktionary)