duration
noun
du·ra·tion
du̇-ˈrā-shən 
also dyu̇-
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
Short sleep duration, typically fewer than six or seven hours per night, defined the fourth group, LC4.
—
Faye Chiu, CNN Money, 15 Oct. 2025
These circuitous routes greatly lengthen mission durations and limit launches to tight windows.
—Big Think, 15 Oct. 2025
Each moment of combat imposes a strain so great that men will break down in direct relation to the intensity and duration of their exposure.
—Literary Hub, 14 Oct. 2025
The more advanced Starship prototype will be outfitted with upgrades essential for long-duration missions deep into space, according to SpaceX.
—Eric Lagatta, USA Today, 14 Oct. 2025
See All Example Sentences for duration
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Faye Chiu, CNN Money, 15 Oct. 2025
These circuitous routes greatly lengthen mission durations and limit launches to tight windows.
—Big Think, 15 Oct. 2025
Each moment of combat imposes a strain so great that men will break down in direct relation to the intensity and duration of their exposure.
—Literary Hub, 14 Oct. 2025
The more advanced Starship prototype will be outfitted with upgrades essential for long-duration missions deep into space, according to SpaceX.
—Eric Lagatta, USA Today, 14 Oct. 2025
See All Example Sentences for duration
Cite this Entry
“Duration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duration. Accessed 17 Oct. 2025.
Copy CitationKids Definition
duration
noun
du·ra·tion
d(y)u̇-ˈrā-shən
: the time during which something exists or lasts
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