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 Dogs will bark all hours of the night, chickens don’t. Jim Masters, Chicago Tribune, 15 Sep. 2023 Regulators have ordered utilities to add 1,000 megawatts of electricity from clean sources that can run at all hours to backstop fluctuating wind and solar supplies. Brad Plumer, New York Times, 28 Aug. 2023 Annie Tsai, chief operating officer of Interact, a software company in San Francisco, said its 11 employees work at all hours of the day or night, depending on what works best for them. Abha Bhattarai, Washington Post, 28 Aug. 2023 The relay features thousands of runners and walkers from 40 countries and 50 states, as well more than 3,000 volunteers along the route from Mount Hood to Seaside and continues all hours through Saturday evening. oregonlive, 25 Aug. 2023 This house in particular has light all hours of the day. Abby Wilson, Better Homes & Gardens, 23 Aug. 2023 Well, the city of San Francisco is accelerating full speed to find out as state regulators just extended licenses for robotaxis to operate all hours of the day. Eamon Barrett, Fortune, 18 Aug. 2023 The lane closures begin 10:30 p.m. Friday, and continue all hours until 4:30 a.m. Monday, Aug. 11-14. oregonlive, 10 Aug. 2023 Production has a crew that works at all hours, including an overnight producer that ensures not one bit of renovating, or drama, is missed. Alicia Vrajlal,, 7 Aug. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'all hours.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1668, in the meaning defined above

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

Dictionary Entries Near all hours

Cite this Entry

“All hours.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2023.

Kids Definition

all hours

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