The period during which one is legally underage.(noun)
A period of immaturity: "The bravest achievements were always accomplished in the nonage of a nation” ( Thomas Paine). (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 "nonage" in a sentence
"If that happen in their nonage, which is probable, appoint commendatories to discharge the duty for them for a laudable allowance, but gathering the fruits for the support of your grandchildren, till they come to virility to be consecrated, '&c."
"In a better possible world, houses of worship would never be welcome, but only tolerated as remnants of humanity's nonage."
"Guilbert Ralston, one of the seven sons of a rich merchant prince who as youths terrorized the countryside (we are not told where it is) disappears "while still in his nonage.""