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.
Russian forces killed eight civilians in attacks Tuesday, including a drone strike on a bus in southeastern Nikopol during morning rush hour. Derek Gatopoulos, Los Angeles Times, 7 Apr. 2026 An unlicensed juvenile driver led deputies on a rush hour car chase the ended when the vehicle slammed into a tree and caught fire, according to investigators in North Carolina. Mark Price april 3, Charlotte Observer, 3 Apr. 2026 Suicide bombers targeted three subway trains and a double-decker bus during the morning rush hour. Encyclopedia Britannica, 2 Apr. 2026 On an average Tuesday, Caltrain carries a total of three freeway lanes’ worth of people during rush hour, easing pressure on Highway 101 down the Peninsula, agency staff say. Rachel Swan, San Francisco Chronicle, 30 Mar. 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 10 Apr. 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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