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.
Ice on roads and highways caused several crashes during rush hour. Anna Meiler, CBS News, 4 Mar. 2026 Long lines didn’t form during the afternoon rush hour, but precinct leaders like Shannon Hunter were pleased with the turnout. Charlotte Observer, 3 Mar. 2026 These roads are often heavily congested during rush hours, leading to aggressive merging behaviors due to the limited space available to drivers. Wyles Daniel, USA TODAY, 27 Feb. 2026 The crash happened in the midst of the afternoon rush hour. Milena Malaver, Miami Herald, 27 Feb. 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 6 Mar. 2026.

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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