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Synonyms

prolong

American  
[pruh-lawng, -long] / prəˈlɔŋ, -ˈlɒŋ /

verb (used with object)

  1. to lengthen out in time; extend the duration of; cause to continue longer.

    to prolong one's stay abroad.

    Antonyms:
    abbreviate
  2. to make longer in spatial extent.

    to prolong a line.


prolong British  
/ prəˈlɒŋ, ˌprəʊlɒŋˈɡeɪʃən /

verb

  1. (tr) to lengthen in duration or space; extend

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See lengthen.

Other Word Forms

  • prolongable adjective
  • prolongableness noun
  • prolongably adverb
  • prolongation noun
  • prolonger noun
  • prolongment noun
  • unprolongable adjective

Etymology

Origin of prolong

First recorded in 1375–1425; late Middle English prolongen, from Late Latin prōlongāre “to lengthen,” equivalent to prō- “forward, forth” + long(us) “long” + -ā- theme vowel + -re infinitive ending; pro- 1, long 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Trade officials warned that, if prolonged, higher energy prices could drive up costs for businesses and consumers and weigh on the global and Singapore economies.

From The Wall Street Journal

Investors anticipate prolonged disruption to shipping through the Strait of Hormuz, the world’s most critical oil chokepoint.

From The Wall Street Journal

A prolonged disruption of the Strait would force countries to pull millions of barrels from storage tanks every day, and quickly force prices higher to incentivize other producers to make up the gap.

From Barron's

A prolonged disruption of the Strait would force countries to pull millions of barrels from storage tanks every day, and quickly force prices higher to incentivize other producers to make up the gap.

From Barron's

Analysts say Iran has long treated the strait as a strategic pressure point, though a full prolonged blockade is considered unlikely as Tehran relies on the same route for crude exports and wider trade.

From The Wall Street Journal