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.
Early in her reign as Miss South Africa, she was carjacked, during rush hour, by armed men. Belinda Luscombe, Time, 3 Nov. 2025 Traffic delays are spreading beyond traditional rush hours due to hybrid work and online deliveries. Patricia Gallagher Newberry, Cincinnati Enquirer, 29 Oct. 2025 The lane closures caused roughly six miles of standstill traffic on the highway during Tuesday morning rush hour, according to CDOT. Lauren Penington, Denver Post, 28 Oct. 2025 During the morning and afternoon rush hours, traffic can be heavy and quick, with cars coming in bunches after nearby traffic lights turn green. Karen Kucher, San Diego Union-Tribune, 24 Oct. 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

Browse Nearby Words

Cite this Entry

“Rush hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rush%20hour. Accessed 10 Nov. 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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