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Cyber Monday

American

[sahy-ber muhn-dey, -dee] / ˈsaɪ bər ˈmʌn deɪ, -di /

noun

the Monday after Thanksgiving, one of the busiest online shopping days.

I did a lot of online shopping on Cyber Monday, but I was disappointed there weren’t more free-shipping deals.

Etymology

Origin of Cyber Monday

First recorded in 2005–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Amid anxiety around inflation, tariffs and layoffs, shoppers still opened up their wallets, especially during Cyber Monday, the biggest e-commerce day of the season.

From Los Angeles Times • Jan. 7, 2026

During the shopping bonanza that includes Black Friday and Cyber Monday, when the Playground was discounted to $199, Nex dreamed of selling 200,000 units.

From The Wall Street Journal • Dec. 13, 2025

Ulta just ran Cyber Monday deals with viral names such as Korean beauty brands Medicube and Anua that fit that profile.

From MarketWatch • Dec. 4, 2025

Dozens of apparent Shopify merchants posted screenshots of login error messages in response to the company’s X post celebrating Cyber Monday.

From Barron's • Dec. 1, 2025

There are lots of best VPN options, but these three top-rated picks are some of the best around — and you’ll enjoy a 20% Cyber Monday price drop if you enter CMSAVE20 at checkout.

From Salon • Nov. 25, 2018

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