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.
At the same time, the mission will test flight controllers and procedures needed to safely send astronauts back to the moon for long-duration stays as NASA makes plans for a future moon base. William Harwood, CBS News, 2 Apr. 2026 So if necessary, Hall recommends scaling back the duration and intensity of your workouts to help prevent overfatigue. Jenny McCoy, SELF, 1 Apr. 2026 That would be slightly longer than the four- to six-week duration the White House originally offered when the war began 32 days ago. Kevin Liptak, CNN Money, 1 Apr. 2026 Real-time mission coverage will continue on YouTube throughout its duration, including live conversations with the crew. Dale Denwalt, Oklahoman, 31 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

More from Merriam-Webster on duration

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