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.
During rush hour, drivers may want to steer clear of these problem areas — or at least be ready to hit the brakes. Idaho Statesman, 13 Aug. 2025 During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed a police officer, then opened fire on other innocent strangers. John Miller, CNN Money, 3 Aug. 2025 Brady had to fight through rush hour traffic (as did Larry Holder and myself, granted in a separate car) to get to his newest CardVault location after making an appearance at The National in Rosemont, IL earlier in the day. The Athletic Collectibles Staff, New York Times, 1 Aug. 2025 Charlotte drivers reported dice-sized hail during the afternoon rush hour Wednesday as Mecklenburg and surrounding counties remained under a severe thunderstorm watch until midnight. Joe Marusak, Charlotte Observer, 25 June 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

Browse Nearby Words

Cite this Entry

“Rush hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rush%20hour. Accessed 23 Aug. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!