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.
Lately, some of that buzz has come from Cincinnati's new drone squad, whose police officer pilots have flown to more than 3,000 calls for service across the city at nearly all hours of the day. David Ferrara, Cincinnati Enquirer, 30 Nov. 2025 In RiNo, people sleep in on Saturdays and Sundays and use Upswell during all hours on the weekdays, Holland said. Max Scheinblum, Denver Post, 26 Nov. 2025 This statistic does mean, however, that advertisers are intentionally trying to reach us, at almost all hours of the day. Jennifer Farmer, Rolling Stone, 25 Nov. 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 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 17 Dec. 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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