Of, relating to, or characteristic of prepuberty.(adjective)
A prepubescent child.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "prepubescent" in a sentence
"A few examples: I was pretty stoked when Ugly Betty‘s Henry and Betty separated — a zit-plagued prepubescent is less awkward than that relationship — and didn’t really bat an eyelash when Jack and Kate ended their relationship on Lost."
"These operations were done in prepubescent children before bones and muscles had a chance to finally develop."
"Actually, it was when you used the word prepubescent that I started getting upset."