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 neighborhood/area José Ignacio is a tiny nub of a peninsula jutting into the Atlantic about two and a half hours by car from downtown Montevideo. Condé Nast, Condé Nast Traveler, 2 June 2026 In a speech that spanned nearly a half hour, Winfield, 74, stood at a podium near home plate, taking everybody in attendance on a journey that touched on nearly every chapter of his life. Dane Mizutani, Twin Cities, 30 May 2026 The Moshannon Valley Processing Center is located about two and a half hours away northeast of Pittsburgh in Centre County. Finch Walker, USA Today, 29 May 2026 Over the final two and a half hours, the Brazilian delivered the kind of triumph that can accelerate a career. Matthew Futterman, New York Times, 29 May 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 4 Jun. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster