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.
Traffic patterns here follow their own logic, and rush hour extends well beyond traditional windows. Allison Palmer, Miami Herald, 29 Dec. 2025 For anyone who’s ever been stuck in afternoon rush hour gridlock on the way to an afternoon flight, that alone can be reason enough to choose the first departure of the day. Alesandra Dubin, Southern Living, 27 Dec. 2025 Friday's attack took place during the city's evening rush hour, BBC News reported, and videos shared on social media show people fleeing the scene in panic. CBS News, 19 Dec. 2025 The researchers said that Sacramento’s morning rush hour speeds slowed in 2025. Ariane Lange, Sacbee.com, 13 Dec. 2025 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

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Cite this Entry

“Rush hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rush%20hour. Accessed 31 Dec. 2025.

Kids Definition

rush hour

noun
: a period of the day when traffic is very heavy or business is very brisk
Last Updated: - Updated example sentences
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