prolongation

noun

Definition of prolongationnext
as in extension
the act of making longer the indefinite prolongation of the ceasefire

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Example Sentences

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.
Recent Examples of prolongation Also, ibogaine’s prolongation of the heart’s QT intervals carries a real risk of fatal arrhythmia. — Michelle Lhooq, New Yorker, 7 Aug. 2026 The prolongation was 242 days in 2023 and 346 days in 2024, according to the report. — Steve Sadin, Chicago Tribune, 17 Mar. 2026
Recent Examples of Synonyms for prolongation
extension
Noun
  • Daniels will be eligible for an extension next season and will likely reset the market.
    — Ted Nguyen, New York Times, 7 Sep. 2026
  • The league announced the four-year extension Sunday, with Goodell’s deal running through March 31, 2031, which would secure his 25th year on the job.
    — Sam Farmer, Los Angeles Times, 6 Sep. 2026
Definition of extension

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prolong
prolongation
prolongations
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Cite this Entry

“Prolongation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prolongation. Accessed 9 Sep. 2026.

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