Definition of prolongnext

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 Minoxidil works by prolonging the anagen phase, allowing hair to grow longer and fuller before eventually transitioning into the rest period. Kansas City Star, 27 Mar. 2026 Reducing systemwide hospital waste at the scale demonstrated by this intervention could significantly prolong Medicare’s solvency. Eugene Litvak, STAT, 27 Mar. 2026 The concern is that occupying the island with US troops would result in high casualties, likely triggering Iranian retaliation against gulf countries’ infrastructure and prolonging the conflict, the senior gulf official said. Billy Stockwell, CNN Money, 26 Mar. 2026 According to Creswell, appropriate pacing, hydration, and fueling all work to promote and prolong a steady heart rate. Brad Stulberg, Outside, 26 Mar. 2026 See All Example Sentences for prolong
Recent Examples of Synonyms for prolong
Verb
  • D’Orsay flats lengthen the silhouette with a crisp line, while Mary Janes introduce a contemporary nuance and slingbacks finish off an outfit with polish.
    Alex Sales, Glamour, 29 Mar. 2026
  • Detention stays are lengthening in part because of the administration's decision last summer to restrict bond hearings in immigration court.
    Martin Kaste, NPR, 26 Mar. 2026
Verb
  • Edwards extended his hit streak to five games during Tuesday evening’s 9-2 victory over the Chicago White Sox, going 2 for 4 with a pair of singles.
    Miami Herald, Miami Herald, 1 Apr. 2026
  • Eighth-grader Ella Parece dealt a complete-game shutout, pairing with a two-RBI performance from Bella Bourque to help Taunton (2-0) extend its win streak to 58 games with a 5-0 Hockomock League victory over Attleboro.
    Tyler McManus, Boston Herald, 31 Mar. 2026
Verb
  • The MorphoScan’s measurements ebbed and flowed from day to day as expected, with my weight dropping the day after a cardio workout and increasing after a weekend of indulgence.
    Andrew Gebhart, PC Magazine, 5 Apr. 2026
  • UConn recovered from its prolonged shooting slump to regain its bearings, eventually increasing its lead to 10 points on a Mullins’ 3 with 47 seconds left in the half before heading into the locker room up 37-29.
    Paul Sullivan, Chicago Tribune, 5 Apr. 2026

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Cite this Entry

“Prolong.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prolong. Accessed 5 Apr. 2026.

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