half hour

noun

1
: thirty minutes
2
: the middle point of an hour
half-hourly adverb or adjective

Examples of half hour in a Sentence

Trains depart every half hour. I waited a half hour in line.
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 park itself was already filled with well over 150 people in just the first half hour of the event on Saturday. David Sharos, Chicago Tribune, 20 Apr. 2026 About a half hour later, officers responded to the area of East 85th Terrace and Crystal Avenue to investigate reports of shots being fired. Kansas City Star, 20 Apr. 2026 Miami is about a half hour south. The Week Us, TheWeek, 20 Apr. 2026 On average, CareTrust nursing homes provided a half hour less nursing care per resident per day than the national average of four hours. Jordan Rau, NPR, 19 Apr. 2026 See All Example Sentences for half hour

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of half hour was in the 15th century

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Cite this Entry

“Half hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/half%20hour. Accessed 26 Apr. 2026.

Kids Definition

half hour

noun
1
: thirty minutes
2
: the middle point of an hour
half-hourly
ˈhaf-ˈau̇(ə)r-lē
ˈhȧf-
adverb or adjective
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