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.

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casual Friday British  

noun

1. another name for dress-down Friday

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Etymology

Origin of casual Friday

First recorded in 1975–80

Example Sentences

Years ago on one “Casual Friday” at work, she wore a dashiki-type garment from Ethiopia.

From New York Times

Appearing at a news conference in an open-necked white shirt and blue jacket, Sánchez explained he had dressed less formally not as a nod to the casual Friday custom but to curb utility use — presumably air-conditioning, but he did not spell that out.

From Seattle Times

Hundreds of voters in Casual Friday polo shirts and summer-weight blouses sat eating barbecue inside a plant that makes military-style tactical gear as Mr. Pence and Gov. Doug Ducey gave speeches endorsing Ms. Robson as a keep-the-faith conservative.

From New York Times

After all, the rest of the week is casual Friday for the hybrid worker.

From Seattle Times

Someone else wore their Balenciaga joggers on casual Friday.

From Washington Post