rush hour

noun

: a period of the day when the demands especially of traffic or business are at a peak

Examples of rush hour in a Sentence

We got caught in the morning rush hour.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The collision happened during morning rush hour near Buggenhout town, about 30 kilometers (20 miles) northwest of the capital, Brussels. ABC News, 26 May 2026 The collision happened during morning rush hour near Buggenhout, a town about 20 miles northwest of the capital, Brussels. Sam McNeil, Los Angeles Times, 26 May 2026 Major interstates were inundated during afternoon rush hour, drivers were trapped in cars and autonomous vehicle company Waymo suspended services. Marshall Shepherd, Forbes.com, 22 May 2026 Parts of the city are under a flash flood warning Wednesday evening after more than 2 inches of rain fell on Atlanta during rush hour traffic, according to the National Weather Service. Taylor Croft, AJC.com, 20 May 2026 See All Example Sentences for rush hour

Word History

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of rush hour was in 1878

Browse Nearby Words

Cite this Entry

“Rush hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rush%20hour. Accessed 31 May. 2026.

Kids Definition

rush hour

noun
: a period of the day when traffic is very heavy or business is very brisk
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