Cyber Monday

American  

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

noun

1. 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.

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Etymology

Origin of Cyber Monday

First recorded in 2005–10

Example Sentences

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

“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

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

The stock drop exceeded the S&P 500’s 0.5% decline, as online spending was projected to hit a record $14.2 billion on Cyber Monday.

From Barron's • Dec. 1, 2025