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 two-and-a-half hours after the shooting, a third victim arrived at Regions with a gunshot wound to the hand. Anthony Bettin, CBS News, 15 June 2026 Rescue teams began searching for the daredevil and found his body about three feet below the crater's water surface after rescue efforts that lasted about four and a half hours. Adam England, PEOPLE, 15 June 2026 Hitting it would require Starship to reduce launch costs by 99 percent and to fly a new rocket every four and a half hours by 2028. Chris Stokel-Walker, Scientific American, 12 June 2026 Two and a half hours before Tuesday’s game, Brind’Amour continued to keep reporters and the Golden Knights guessing. Michael Russo, New York Times, 9 June 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 16 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
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