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.
The lane typically would be open during morning and afternoon rush hours. Sean Krofssik, Hartford Courant, 15 June 2026 The commute this weekend was also friendly, with traffic less than expected, but that could change on Tuesday when Norway and Iraq face off in the middle of rush hour. Mike Sullivan, CBS News, 15 June 2026 That made the ride slower and coming home at rush hour horrible. Chicago Tribune, 11 June 2026 That means the area can be congested through rush hour Friday, as people return home from work. Amaia Gavica, Miami Herald, 4 June 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 18 Jun. 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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