prolong

verb

pro·​long prə-ˈlȯŋ How to pronounce prolong (audio)
prolonged; prolonging; prolongs

transitive verb

1
: to lengthen in time : continue
2
: to lengthen in extent, scope, or range
prolonger noun
Choose the Right Synonym for prolong

extend, lengthen, prolong, protract mean to draw out or add to so as to increase in length.

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

prolong suggests chiefly increase in duration especially beyond usual limits.

prolonged illness

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

protracted litigation

Examples of prolong in a Sentence

Additives are used to prolong the shelf life of packaged food. High interest rates were prolonging the recession.
Recent Examples on the Web Russia, predictably, hammered on what has become a key talking point — that U.S. assistance would do little more than prolong a bloody confrontation. Laura King, Los Angeles Times, 21 Apr. 2024 The Heat kept fouling to prolong the game, but the 76ers shot a perfect 12 of 12 from the foul line in the fourth quarter to hold on for the comeback win. Anthony Chiang, Miami Herald, 18 Apr. 2024 This will help create a natural, non-stick surface, prevent rusting, and generally prolong their lifespan. Maryal Miller Carter, USA TODAY, 11 Apr. 2024 In 2019, prolonged outbreaks among undervaccinated communities in New York threatened that status. Deidre McPhillips, CNN, 11 Apr. 2024 Cooler weather dominated the second half of the month, which helped prolong the blossoms’ bloom period. Matt Rogers, Washington Post, 1 Apr. 2024 The drug that was meant to prolong her life had caused her death. Elizabeth Robinson, NBC News, 27 Mar. 2024 In the case of Maya and Carina, that meant accelerating the timeline slightly to show their early experiences with motherhood, rather than prolonging their struggles to start a family. Max Gao, NBC News, 11 Apr. 2024 Efforts to prolong the trial, and potentially force Democrats to cast some hard votes, are now more likely to materialize without senators rushing to catch flights home. Liz Goodwin, Washington Post, 10 Apr. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'prolong.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Middle English, from Middle French prolonguer, from Late Latin prolongare, from Latin pro- forward + longus long

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of prolong was in the 15th century

Dictionary Entries Near prolong

Cite this Entry

“Prolong.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prolong. Accessed 26 Apr. 2024.

Kids Definition

prolong

verb
pro·​long prə-ˈlȯŋ How to pronounce prolong (audio)
: to make longer in time
prolonged the visit

More from Merriam-Webster on prolong

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