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.
Roughly a half hour before that flight landed, the men learned their true destination. Sarah Stillman, New Yorker, 24 Nov. 2025 Doors open a half hour before for the open seating. Heather McRea, Oc Register, 24 Nov. 2025 Bake for about one-and-a-half hours; cover with foil for the last fifteen minutes. Jeffrey Steingarten, Vogue, 23 Nov. 2025 The flight eventually arrived in Salt Lake City about two-and-a-half hours late. Aaron Cooper, CNN Money, 17 Nov. 2025 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 25 Nov. 2025.

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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