PROLONGATION Synonyms: 12 Similar and Opposite Words

prolongation

noun

Definition of prolongation

as in extension

the act of making longer the indefinite prolongation of the ceasefire

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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

Unlike Mack, whom the Bears had to pay after acquiring him from the Oakland Raiders, the Titans already did the contract for Simmons, signing him to an extension in June that included a $20 million signing bonus.

— Brad Biggs, Chicago Tribune, 1 Nov. 2026
And regardless of when that suspension comes, the new allegations are a black eye against Jacobs and the Packers by extension for continuing to support a player who carries an expanding list of domestic abuse allegations.

— Armando Salguero OutKick, FOXNews.com, 1 Nov. 2026

Definition of extension

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prolong

prolongation

prolongations

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“Prolongation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prolongation. Accessed 8 Nov. 2026.

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Synonyms of prolongation

noun

Example Sentences

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