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.
As stated in promotional materials for the documentary, most American moms don’t want to milk their own cow or stay up working all hours of the night after their kids go to bed. Emily Kelleher, InStyle, 22 June 2026 During the World Cup in 2022, China already accounted for nearly half of all hours of viewing on digital and social platforms globally, according to FIFA. Evelyn Cheng, CNBC, 15 June 2026 Hell’s Kitchen resident Terrell Drummond, who opposed siting the drop-in center there, said homeless people hang around outside the place all hours of the night. Colin Mixson, New York Daily News, 2 May 2026 The permit application would require each business to submit a security and maintenance plan with details on alcohol safety training and security coverage for all hours of operation, including special events and holidays. Susannah Bryan, Sun Sentinel, 9 Apr. 2026 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 4 Jul. 2026.

Kids Definition

all hours

plural noun
: a very late time
stayed up until all hours
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