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 Her battle with the disease was nasty, brutish, and prolonged. David Fear, Rolling Stone, 16 Apr. 2025 This process prolongs the time the virus can inhabit a host before an infection is cleared. Hanna D. Paton, The Conversation, 15 Apr. 2025 Not all wars are conducted at such a high intensity as the Russian-Ukrainian war, but even prolonged irregular warfare can take a heavy toll, resulting in a growing sense of futility in addition to mounting costs. Lawrence D. Freedman, Foreign Affairs, 14 Apr. 2025 Smith did not start Sunday’s series finale, prolonging what appears to be a pattern in his playing time. Chandler Rome, New York Times, 7 Apr. 2025 See All Example Sentences for prolong
Recent Examples of Synonyms for prolong
Verb
  • Moreover, working the long head emphasizes the eccentric portion of a move—the part when the muscle is lengthening under load—which is a more effective way to improve strength, power, and speed performance compared to traditional resistance training, according to research.
    Jenny McCoy, SELF, 9 Apr. 2025
  • Chronic pessimism damages your attitude and your telomeres—the protective tips at the end of chromosomes, shortened by negative thoughts and lengthened by positive thoughts.
    Bryan Robinson, Forbes.com, 4 Apr. 2025
Verb
  • In rare cases, legislative changes could extend the window.
    Thomas G. Moukawsher, MSNBC Newsweek, 14 Apr. 2025
  • Ray and his friend were sentenced to 10 days of pre-trial detention, which was previously extended to April 24.
    Julia Bonavita, FOXNews.com, 14 Apr. 2025
Verb
  • If elected, what would your top 3 policy priorities be? (1) Infrastructure in forms of roads and increased police and fire due to the growing population.
    Matthew Adams, Fort Worth Star-Telegram, 20 Apr. 2025
  • What Murray did in the second half was increase his aggression off the dribble.
    Tony Jones, New York Times, 20 Apr. 2025

Browse Nearby Words

Cite this Entry

“Prolong.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prolong. Accessed 24 Apr. 2025.

More from Merriam-Webster on prolong

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!