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.
The check will cover all hours worked during the shutdown as well as the next pay period. Bart Jansen, USA Today, 17 Oct. 2025 Others complained about trucks coming at all hours of the night to pick up Arte Cafe’s trash. Clio Chang, Curbed, 14 Oct. 2025 Under the new policy, people are prohibited from sitting, lying down or sleeping outside City Hall during all hours of the day. Bee Staff, Sacbee.com, 16 Sep. 2025 Titan Protection Security was hired, but that didn’t bring the company much comfort since employees work in the building all hours of the day. Pj Green september 14, Kansas City Star, 14 Sep. 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

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Cite this Entry

“All hours.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all%20hours. Accessed 6 Nov. 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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