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.
About a half hour after finding the woman dead, Oswego Police detained the suspect once an officer spotted his car driving down a nearby road. Charlotte Phillipp, PEOPLE, 1 Feb. 2026 The mixed relay takes about a half hour to complete. Sean Gregory, Time, 28 Jan. 2026 Aside from holding Jeff Probst hostage to a five-and-a-half hour ramble? Dalton Ross, Entertainment Weekly, 28 Jan. 2026 By the end of that first half hour, he has been unmasked as the bloody avenger of the backyard. Owen Gleiberman, Variety, 24 Jan. 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

Browse Nearby Words

Cite this Entry

“Half hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/half%20hour. Accessed 3 Feb. 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
Last Updated: - Updated example sentences
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