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 Instead, the goal of treatment is to manage your symptoms or prolong your life.4 Currently, the only three medications approved to manage ALS are Rilutek (riluzole), Radicava (edaravone), and Olpruva (sodium phenylbutyrate). Janelle McSwiggin, Health, 20 July 2025 And frustrated Russian politicians are lashing out, accusing President Trump of talking peace, but prolonging the war behind the scenes. Matthew Chance, CNN Money, 15 July 2025 Make sure to change the paper towel or water every day or two to prolong freshness if using these methods. Katie Rosenhouse, Southern Living, 15 July 2025 Like human dry shampoos, the waterless cleanser prolongs wash day, but without alcohol, parabens, or sulfates. People Deals Team, People.com, 10 July 2025 See All Example Sentences for prolong
Recent Examples of Synonyms for prolong
Verb
  • Featuring 30 essential oils, the rosemary oil combats dandruff and lengthens hair.
    Amy Schulman, People.com, 23 July 2025
  • The cut helps to visually lengthen by creating soft vertical lines around round faces, and for square faces, the layers will soften the angles of the jawline thanks to their face framing qualities.
    Lorena Meouchi, Vogue, 17 July 2025
Verb
  • This year, teams will play 44 regular season games each, and the Finals have been extended from a five-game series to a seven-game series.
    Becky Sullivan, NPR, 19 July 2025
  • The left-wing conversion extended the Bulls’ lead to 33-14 at the seven-minute mark in the second.
    Andy Theobald, Kansas City Star, 19 July 2025
Verb
  • Decades of research and studies in agriculture have increased production across all crops in the U.S., said James, and cannabis can adopt those same technologies.
    Julie Weed, Forbes.com, 26 July 2025
  • David Swartz, analyst with Morningstar who monitors Kohl’s, told the Milwaukee Journal Sentinel, part of the USA TODAY network, that Kohl’s share price has been steadily increasing in recent months.
    Sara Chernikoff, USA Today, 25 July 2025

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Cite this Entry

“Prolong.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prolong. Accessed 29 Jul. 2025.

More from Merriam-Webster on prolong

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