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
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.
Nor would officials answer questions about penalties for permit violations or prolonging the inspection process. Linda Robertson, Miami Herald, 26 Jan. 2025 Any other course would prolong the substantial, nationwide chilling effect caused by §441b’s corporate expenditure ban. Liz Tracey, JSTOR Daily, 24 Jan. 2025 Russia’s war against Ukraine: The president blamed high oil prices for prolonging the conflict. Jackie Snow, Quartz, 23 Jan. 2025 But experts worry that these clinics are capitalizing on people’s fears of aging and death without offering many tangible benefits — because almost none of this is covered by insurance, or proven to prolong one’s life. Dana G. Smith, New York Times, 22 Jan. 2025 See all Example Sentences for prolong 

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 30 Jan. 2025.

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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