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.
Back in Chicago, a Yellow Line train derailed on the city’s Far North Side during the evening rush hour Thursday, leading the Chicago Transit Authority to temporarily suspend service on a number of lines. Grace Miserocchi, Chicago Tribune, 25 Apr. 2026 Despite being just off Calle Ocho, Silver Court is quiet, even at rush hour. Max Klaver, Miami Herald, 24 Apr. 2026 Try and avoid rush hour on the bigger streets when Copenhageners are heading to and from work and school. Condé Nast, Condé Nast Traveler, 23 Apr. 2026 The Bugatti might be more fun and stylish, but both take about the same time to get you from Connecticut to Manhattan during rush hour. Chris Pope, Washington Post, 21 Apr. 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 1 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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