all hours

plural noun

: a very late time
stayed up until all hours

Examples of all hours in a Sentence

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.
Again, none of our tollbooths are staffed all hours, year-round. Dave Boucher, Freep.com, 18 July 2025 At almost all hours of the day, a frenzy of new-media personalities paraded outside the courthouse. Ethan Shanfeld, Variety, 9 July 2025 And then every Fourth of July, virtually every neighborhood in every town across the state is lit up till all hours of the night with individuals putting on their own personal fireworks display. Chicago Tribune, 4 July 2025 Yet professionals respond to every message within minutes, take calls at all hours, and bend boundaries for anyone who asks. Jodie Cook, Forbes.com, 30 June 2025 See All Example Sentences for all hours

Word History

First Known Use

1668, in the meaning defined above

Time Traveler
The first known use of all hours was in 1668

Browse Nearby Words

Cite this Entry

“All hours.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all%20hours. Accessed 25 Jul. 2025.

Kids Definition

all hours

plural noun
: a very late time
stayed up until all hours
Last Updated: - Updated example sentences
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