during

[door-ing, dyoor-]

preposition

1. throughout the duration, continuance, or existence of.

   He lived in Florida during the winter.

2. at some time or point in the course of.

   They departed during the night.

during

/ ˈdjʊərɪŋ /

preposition

1. concurrently with (some other activity)

   kindly don't sleep during my lectures!

2. within the limit of (a period of time)

   during the day

Word History and Origins

Origin of during¹

First recorded in 1350–1400; dure ² + -ing ²

Word History and Origins

Origin of during¹

C14: from duren to last, ultimately from Latin dūrāre to last

Example Sentences

Knowing what processes are at work during an eccentric warm Jupiter's formation could help astronomers uncover hidden truths about our solar system's evolution and the creation of countless others just like it.

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For years, researchers couldn't understand how this "rain" formed so rapidly during solar flares.

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The discovery gives solar scientists new tools to better simulate how the Sun behaves during energetic flares -- knowledge that could eventually improve forecasts of space weather events that influence technology and communications on Earth.

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"The dietary-RNA species elicit a systemic stress response that protects the worms from protein aggregation during aging," says Kyriakakis. "thereby extending their healthspan."

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To ensure the results reflected the true effects of radiation, the researchers restricted the use of additional pain relievers, allowing only acetaminophen as needed during the four-month follow-up period.

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When To Use

What does during mean?

During means throughout the entire time or at a certain point in time when something was happening.During is a preposition, which is a type of word used before a noun or pronoun to relate it to another part of the sentence, especially to express a relationship based on space or time. During expresses a relationship based on time—it indicates that something happened not before or after something else, but at the same time.It can mean that something occurred continuously while something else was happening, as in We stayed inside during the storm. Or it can mean that something occurred at a certain time or times while something else was happening, as in I only left the house once during the storm. When used in a sentence, during is usually followed by a noun or pronoun that indicates the time frame or event in which the action has taken place, as in during our vacation or during Spanish class or during the game.Example: I hate how hot it gets during the summer.