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.
At least one gunshot was fired inside a crowded Bronx subway station during the evening rush hour Monday, but no injuries were immediately reported, police said. Kerry Burke, New York Daily News, 6 Jan. 2026 Delays are expected in the area into rush hour, according to the alert. Zacharia Washington, Dallas Morning News, 5 Jan. 2026 Allison and Nick also try to avoid rush hour and seek free or less crowded spots, making parking largely manageable with preparation. Tereza Shkurtaj, PEOPLE, 4 Jan. 2026 Traffic patterns here follow their own logic, and rush hour extends well beyond traditional windows. Allison Palmer, Miami Herald, 29 Dec. 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 10 Jan. 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
Love words? Need even more definitions?

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