deadline

noun

dead·​line ˈded-ˌlīn How to pronounce deadline (audio)
1
: a line drawn within or around a prison that a prisoner passes at the risk of being shot
2
a
: a date or time before which something must be done
b
: the time after which copy is not accepted for a particular issue of a publication
Phrases
on deadline or under deadline
: with the requirement of meeting a deadline
working on deadline

Examples of deadline in a Sentence

She worked on her composition right up until the deadline. We had to hurry to meet the deadline. The project was completed a week past its deadline. The deadline for submitting college applications is April 19th. They're working under a deadline.
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.
But because Columbus Day was a federal holiday, Congress was not in session, meaning that no legislation was passed by the deadline. Marina Johnson, Louisville Courier Journal, 14 Oct. 2025 News organisations have been set a Tuesday deadline to agree to the new conditions. Callum Sutherland, Time, 14 Oct. 2025 While that deadline came and went, by 2011 Questlove and D’Angelo’s other collaborators began to insist the album was actually close to done. Jon Blistein, Rolling Stone, 14 Oct. 2025 Newsom signed their bills on Monday evening, hours before a deadline requiring him to sign or veto legislation elapsed. Lia Russell, Sacbee.com, 14 Oct. 2025 See All Example Sentences for deadline

Word History

First Known Use

1864, in the meaning defined at sense 1

Time Traveler
The first known use of deadline was in 1864

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Cite this Entry

“Deadline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deadline. Accessed 18 Oct. 2025.

Kids Definition

deadline

noun
dead·​line ˈded-ˌlīn How to pronounce deadline (audio)
: a date or time before which something must be done

More from Merriam-Webster on deadline

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