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.
Tourists do not want the reality of local life – the rush hour commute, the cooking, the school run. Christopher Elliott, USA Today, 31 July 2026 But the airport’s acoustics during rush hour on a Monday afternoon are less ideal. Catherine E. Shoichet, CNN Money, 25 July 2026 But during rush hour, the lanes jam up with too many vehicles driving at the same time. Silvia Console Battilana, Forbes.com, 21 July 2026 Rachel Cox-Rosen, my 11Alive co-anchor, reported the lanes remained closed into the rush hour on July 13. Doug Turnbull, AJC.com, 19 July 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 4 Aug. 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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