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.

Both offer frequent promotions, especially around Black Friday and Cyber Monday.

From Salon • Mar. 27, 2026

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

Coupland notes the brief Cyber Monday outage affected only a subset of users and doesn’t overshadow sales momentum.

From The Wall Street Journal • Dec. 5, 2025

It’s a splash of a donation on Giving Tuesday, a day when people around the world are encouraged to donate to worthy causes after making purchases on Black Friday and Cyber Monday.

From MarketWatch • Dec. 2, 2025

Today is Cyber Monday, capping off the long weekend of deals.

From Barron's • Dec. 2, 2025

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