plural noun Informal.
dressy clothes, especially as worn to a party or other social event.
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Origin of glad rags
First recorded in 1900–05
Words nearby glad rags
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for glad rags
informal best clothes or clothes used on special occasions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Idioms and Phrases with glad rags
Stylish clothes, as in Let's put on our glad rags and go out on the town. [Slang; late 1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.