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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

“In addition, strong booking volumes continued from Black Friday through Cyber Monday, even outpacing prior year’s robust levels, which is a favorable indicator for wave season,” Weinstein added.

From MarketWatch • Dec. 19, 2025

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

Online shopping helped drive success for retailers on Black Friday, so the optimism was running high heading into the biggest e-commerce day of the year, which is Cyber Monday.

From Barron's • Dec. 2, 2025

Plus, for Cyber Monday, use the code CYBER40 at checkout for an extra 40% off the sale price.

From Salon • Nov. 23, 2017

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