duration

noun

du·​ra·​tion du̇-ˈrā-shən How to pronounce duration (audio)
also dyu̇-
Synonyms of durationnext
1
: continuance in time
gradually increase the duration of your workout
2
: the time during which something exists or lasts
were there for the duration of the concert

Examples of duration in a Sentence

You should gradually increase the duration of your workout. for the whole duration of the speech the bored audience fidgeted
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.
Phase three introduces permanent infrastructure, enabled by higher cargo capacity from commercial landing systems, with the goal of long-duration habitation modules and systems to support a sustained human presence on the moon. Josh Dinner, Space.com, 24 Mar. 2026 One asset class that has seen some sizable losses would be longer-duration bond funds, said Amy Arnott, portfolio strategist at Morningstar. Darla Mercado, Cfp®, CNBC, 24 Mar. 2026 The final phase focuses on long-duration human presence. Neetika Walter, Interesting Engineering, 24 Mar. 2026 The duration of his sentence will ultimately be decided by a judge in July. Stephen Swanson, CBS News, 22 Mar. 2026 See All Example Sentences for duration

Word History

Etymology

see durance

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of duration was in the 14th century

Browse Nearby Words

Cite this Entry

“Duration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duration. Accessed 2 Apr. 2026.

Kids Definition

duration

noun
du·​ra·​tion d(y)u̇-ˈrā-shən How to pronounce duration (audio)
: the time during which something exists or lasts

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