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casual Friday

American  
[kazh-oo-uhl frahy-dey, frahy-dee] / ˈkæʒ u əl ˈfraɪ deɪ, ˈfraɪ di /

noun

  1. Friday designated as a day on which employees are allowed to dress less formally than on other workdays.

casual Friday British  

noun

  1. another name for dress-down Friday

"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

Etymology

Origin of casual Friday

First recorded in 1975–80

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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