Characteristic of or befitting a boy: boyish charm. (adjective)
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 "boyish" in a sentence
"_not_ chew gum, but she whistled, and the teachers who reproved her most for what they called a boyish trick, always listened intently, when the clear, musical notes, now soft and low, now loud and shrill, were heard outside, or in the building."
"Snyder, by contrast, beams at us with a certain boyish glee."
"It was a record David would acknowledge in boyish, self-effacing fashion; sometimes proffering a calling card that identified him as a former chief storekeeper and a retired SEAL with the nickname"