Clothes worn next to the skin, beneath one's outer clothing. Also called underclothes, underclothing.(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 "underwear" in a sentence
"Girls in underwear is not nudity and never has been."
"Girls in underwear is nudity, at least, traditionally."
"But Roger, I think the thing that has everyone tying knots in underwear is your implication that children's and YA lit is somehow intellectually inferior."