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.
More than 90 bullets fired during shootout Ordóñez and Cutshaw lost their lives in a hail of gunfire in the packed intersection of Miramar Parkway and Flamingo Road during the 5 p.m. rush hour in December 2019. Charles Rabin, Miami Herald, 22 Aug. 2025 Karyn Rosenberg, a therapist in Boca Raton, said clients have been asking for new appointment times to steer clear of 20 mph school zones and rush hours. Lois K. Solomon, Sun Sentinel, 20 Aug. 2025 Boise police have been investigating after someone was found dead near a parking garage, causing traffic delays during Monday afternoon rush hour on the main route out of downtown Boise. Alex Brizee, Idaho Statesman, 19 Aug. 2025 As anyone who’s experienced the din of a busy airport, freeway or even Manhattan at rush hour can attest, noise linked to transportation can be overwhelming. Bruce Dorminey, Forbes.com, 17 Aug. 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 10 Sep. 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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