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.
Easter Time Saturday, with the airline locking out the flight attendance a half hour later. Glenn Taylor, Sourcing Journal, 18 Aug. 2025 We were told to enter a line outside where people had appointments from a half hour earlier than us as well as later appointments. Sun Sentinel Editorial Board, Sun Sentinel, 18 Aug. 2025 Personal watercraft cannot be operated from a half hour after sunset to a half hour before sunrise, even with navigation lights. David Goodhue, Miami Herald, 14 Aug. 2025 Her website updated Wednesday with a countdown four and half hours before 7 p.m. ET, the podcast release time. Doha Madani, NBC news, 13 Aug. 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 27 Aug. 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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