Synonym Chooser

How does the verb prolong contrast with its synonyms?

Some common synonyms of prolong are extend, lengthen, and protract. While all these words mean "to draw out or add to so as to increase in length," prolong suggests chiefly increase in duration especially beyond usual limits.

prolonged illness

How do extend and lengthen relate to one another, in the sense of prolong?

Both extend and lengthen imply a drawing out in space or time but extend may also imply increase in width, scope, area, or range.

extend a vacation
extend welfare services
lengthen a skirt
lengthen the workweek

How are the words protract and prolong related?

Protract adds to prolong implications of needlessness, vexation, or indefiniteness.

protracted litigation

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 prolong This once again demonstrates that Russia seeks to prolong the war and postpone peace for as long as possible. Barak Ravid, Axios, 13 Mar. 2025 This mental loop can intensify and prolong an emotion far beyond its natural course. Mark Travers, Forbes, 10 Mar. 2025 However, Del Mar residents and others opposed to a tunnel, the only option for an inland train route, have raised questions that prolonged preliminary studies and a possible completion date. Phil Diehl, San Diego Union-Tribune, 9 Mar. 2025 The current de facto Moroccan sovereignty only prolongs Sahrawis’ exile, and an escalation would carry steep costs for all sides. Hannah Rae Armstrong, Foreign Affairs, 4 Mar. 2025 See All Example Sentences for prolong
Recent Examples of Synonyms for prolong
Verb
  • This has lengthened container transit times by one-to-two weeks, in most instances.
    Glenn Taylor, Sourcing Journal, 12 Mar. 2025
  • Here in New Mexico, our growing season has lengthened since the 1970s, even as stream flows have decreased.
    Laura Paskus, The Denver Post, 11 Mar. 2025
Verb
  • By Friday, Trump signed an executive order that extended the delay to all products under the United States-Mexico-Canada Agreement, USMCA, which is a free trade agreement signed during Trump’s first term.
    Isabel Danzis, ABC News, 9 Mar. 2025
  • Israel wants to extend the first phase of the deal to continue the exchange of hostages, alive and deceased, in return for the continued release of Palestinian prisoners and the flow of higher volumes of aid into Gaza – but without any commitment to permanently ending the war.
    Lauren Izso, CNN, 9 Mar. 2025
Verb
  • As Diop improves his shooting touch from outside, his value will only increase.
    Eric Sondheimer, Los Angeles Times, 15 Mar. 2025
  • Weather experts predict that the tornadoes will increase to a strength of EF4 by Saturday, with hurricane-force winds at a speed of more than 74 mph, CNN reported.
    Escher Walcott, People.com, 15 Mar. 2025

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Cite this Entry

“Prolong.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prolong. Accessed 23 Mar. 2025.

More from Merriam-Webster on prolong

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