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 Bacteria can linger on the towel and spread, potentially leading to your sickness being prolonged. Maria Sabella, Better Homes & Gardens, 1 June 2025 Now, Towns and the Knicks will have another chance to prolong their season and pursue the franchise’s first NBA title since 1973. Tim Casey, Forbes.com, 30 May 2025 Combining two cancer drugs has been found to prolong the lifespan of mice—and may help humans age better. Ian Randall, MSNBC Newsweek, 28 May 2025 Risks include hematomas, infections, prolonged swelling and facial nerve injury. Kaleigh Werner, Footwear News, 27 May 2025 See All Example Sentences for prolong
Recent Examples of Synonyms for prolong
Verb
  • The wait seemed endless, especially given all the compensatory picks that lengthened the seventh round.
    Michael Silver, New York Times, 20 May 2025
  • And this oversized cut and loose silhouette suits Princess Kate particularly well; the high-waist fit visually lengthens her legs, while the angular cut of the blazer is confident and structured.
    Lina-Marie Baatz, Glamour, 14 May 2025
Verb
  • Bell Media, meanwhile, initially sought damages but settled the legal dispute in October after extending its partnership with Warner on HBO and HBO Max content for multiple years.
    Amber Dowling, Variety, 13 June 2025
  • The storm risk extends through parts of several central U.S. states, including Nebraska, Kansas, Oklahoma and Texas.
    Jeanine Santucci, USA Today, 13 June 2025
Verb
  • Speaking to journalists in March, Mark Bullingham, who replaced Glenn as CEO in 2019, explained how the FA had used the pre-grown pitches and increased major-event cap to grow Wembley’s revenues.
    Matt Slater, New York Times, 7 June 2025
  • Mahan won his first term as mayor in 2022 with 51.3% of the vote after residents pushed to move the mayoral election to align with the presidential one to increase voter turnout.
    Barnini Chakraborty, The Washington Examiner, 7 June 2025

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Cite this Entry

“Prolong.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prolong. Accessed 17 Jun. 2025.

More from Merriam-Webster on prolong

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