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.
By car, the same commute is about 42 minutes during rush hour. Ashley Miznazi, Miami Herald, 15 Dec. 2025 The researchers said that Sacramento’s morning rush hour speeds slowed in 2025. Ariane Lange, Sacbee.com, 13 Dec. 2025 At least three people were injured after a tractor-trailer overturned in a crash, causing a gridlock on the New Jersey Turnpike during rush hour in Mount Laurel, Friday night. Tom Dougherty, CBS News, 12 Dec. 2025 Season two follows a Berlin commuter train overtaken during rush hour, trapping hundreds of passengers in a high-stakes hostage situation. Okla Jones, Essence, 11 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

Browse Nearby Words

Cite this Entry

“Rush hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rush%20hour. Accessed 21 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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