- to lengthen out in time; extend the duration of; cause to continue longer: to prolong one's stay abroad.
- to make longer in spatial extent: to prolong a line.
Origin of prolong
SynonymsSee more synonyms on Thesaurus.com
1. See lengthen.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for prolonged
A few hours after the prolonged exposure to Duncan, Williams and her fetus died of overwhelming Ebola infection.The Only Thing More Terrifying Than Ebola Is Being Pregnant With Ebola
Kent Sepkowitz, Abby Haglage
October 2, 2014
In fact, the pilot is actually a prolonged rant against the very behaviors that many people wrongfully assume the show celebrates.‘Selfie’ Is Both a Brilliant and Terrible TV Show
September 30, 2014
But McCrum withdrew his name in 2010, as the prolonged nomination process stalled his law practice.Fact-Checking the Sunday Shows: August 31
August 31, 2014
A woman, sixty-eight, suffers a heart attack and goes into prolonged cardiac arrest.Real Life Lazarus: When Patients Rise From the Dead
August 21, 2014
This prolonged execution marks yet another death penalty fiasco.Arizona Botches Execution
July 23, 2014
The reading of the letter was greeted with prolonged applause.The Grand Old Man
Richard B. Cook
Each one of his words lulled and prolonged the reverie of Angelique.The Dream
The silence in the kitchen was prolonged, and Mr Verloc felt disappointed.
Her prolonged immobility disturbed the comfort of his refection.
Forthwith, he subjected the patient to a prolonged auscultation.The Three Cities Trilogy, Complete
- (tr) to lengthen in duration or space; extend
C15: from Late Latin prōlongāre to extend, from Latin pro- 1 + longus long
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
Word Origin and History for prolonged
Online Etymology Dictionary, © 2010 Douglas Harper