of or relating to the period prior to adulthood: preadult strivings for independence.
Origin of preadult
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Of or relating to the period preceding adulthood or the adult stage of the life cycle.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.