prolong

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pro·long

(prə-lông′, -lŏng′)

tr.v. pro·longed, pro·long·ing, pro·longs

To lengthen in duration; protract: factors that prolong the drug's effect.

[Middle English prolongen, from Old French prolonguer, from Late Latin prōlongāre : Latin prō-, forth; see pro-¹ + Latin longus, long; see del- in Indo-European roots.]

pro·long′er n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

prolong

(prəˈlɒŋ) or

prolongate

(tr) to lengthen in duration or space; extend

[C15: from Late Latin prōlongāre to extend, from Latin pro-¹ + longus long]

prolongation n

proˈlonger n

proˈlongment n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pro•long

(prəˈlɔŋ, -ˈlɒŋ)

v.t.

1. to extend the duration of; cause to continue longer.

2. to make longer in spatial extent: to prolong a line.

[1375–1425; late Middle English < Late Latin prōlongāre to lengthen =prō- pro-¹ + -longāre, v. derivative of longus long¹]

pro•long′a•ble, adj.

pro•long′a•bly, adv.

pro•long′er, n.

pro•long′ment, n.

syn: See lengthen.

prolong

Past participle: prolonged
Gerund: prolonging

Imperative
prolong
prolong

Present
I prolong
you prolong
he/she/it prolongs
we prolong
you prolong
they prolong

Preterite
I prolonged
you prolonged
he/she/it prolonged
we prolonged
you prolonged
they prolonged

Present Continuous
I am prolonging
you are prolonging
he/she/it is prolonging
we are prolonging
you are prolonging
they are prolonging

Present Perfect
I have prolonged
you have prolonged
he/she/it has prolonged
we have prolonged
you have prolonged
they have prolonged

Past Continuous
I was prolonging
you were prolonging
he/she/it was prolonging
we were prolonging
you were prolonging
they were prolonging

Past Perfect
I had prolonged
you had prolonged
he/she/it had prolonged
we had prolonged
you had prolonged
they had prolonged

Future
I will prolong
you will prolong
he/she/it will prolong
we will prolong
you will prolong
they will prolong

Future Perfect
I will have prolonged
you will have prolonged
he/she/it will have prolonged
we will have prolonged
you will have prolonged
they will have prolonged

Future Continuous
I will be prolonging
you will be prolonging
he/she/it will be prolonging
we will be prolonging
you will be prolonging
they will be prolonging

Present Perfect Continuous
I have been prolonging
you have been prolonging
he/she/it has been prolonging
we have been prolonging
you have been prolonging
they have been prolonging

Future Perfect Continuous
I will have been prolonging
you will have been prolonging
he/she/it will have been prolonging
we will have been prolonging
you will have been prolonging
they will have been prolonging

Past Perfect Continuous
I had been prolonging
you had been prolonging
he/she/it had been prolonging
we had been prolonging
you had been prolonging
they had been prolonging

Conditional
I would prolong
you would prolong
he/she/it would prolong
we would prolong
you would prolong
they would prolong

Past Conditional
I would have prolonged
you would have prolonged
he/she/it would have prolonged
we would have prolonged
you would have prolonged
they would have prolonged

Collins English Verb Tables © HarperCollins Publishers 2011

ThesaurusAntonymsRelated WordsSynonymsLegend:

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Verb	1.	prolong - lengthen in time; cause to be or last longer; "We prolonged our stay"; "She extended her visit by another day"; "The meeting was drawn out until midnight" protract, draw out, extend carry, extend - continue or extend; "The civil war carried into the neighboring province"; "The disease extended into the remote mountain provinces" lengthen - make longer; "Lengthen this skirt, please" extend - prolong the time allowed for payment of; "extend the loan" temporise, temporize - draw out a discussion or process in order to gain time; "The speaker temporized in order to delay the vote" spin out, spin - prolong or extend; "spin out a visit"
	2.	prolong - lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work" sustain, keep up keep on, retain, continue, keep - allow to remain in a place or position or maintain a property or feature; "We cannot continue several servants any longer"; "She retains a lawyer"; "The family's fortune waned and they could not keep their household staff"; "Our grant has run out and we cannot keep you on"; "We kept the work going as long as we could"; "She retained her composure"; "this garment retains its shape even after many washings" preserve, uphold, carry on, continue, bear on - keep or maintain in unaltered condition; cause to remain or last; "preserve the peace in the family"; "continue the family tradition"; "Carry on the old traditions"

prolong

verb lengthen, continue, perpetuate, draw out, extend, delay, stretch out, carry on, spin out, drag out, make longer, protract He said foreign military aid was prolonging the war.
cut, cut down, shorten, summarize, curtail, abbreviate, abridge

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

prolong

verb

To make or become longer:

draw out, elongate, extend, lengthen, prolongate, protract, spin (out), stretch (out).

Mathematics: produce.

Translations

يُطيل

prodloužit

forlænge

verlängern

alargar

prolonger

framlengja, teygja úr

prolungare

ilgasprailginimasprailgintipratęsimaspratęsti

pagarinātpaildzināt

uzatmak

延长

prolong

[prəˈlɒŋ] VT [+ visit, life, war, recession] → prolongar, alargar
to prolong the agony this is just prolonging the agony → esto es sólo prolongar la agonía

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

prolong

[prəʊˈlɒŋ] vt → prolonger
to prolong the agony → prolonger l'agonie

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

prolong

vt → verlängern; (unpleasantly) process, pain → hinauszögern; (Fin) draft → prolongieren; to prolong the agony (fig) → das Leiden verlängern

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

prolong

[prəˈlɒŋ] vt → prolungare

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

prolong

(prəˈloŋ) verb

to make longer. Please do not prolong the discussion unnecessarily.

prolongation (prouloŋˈgeiʃən) noun

proˈlonged adjective

very long. prolonged discussions.

prolong

v. prolongar, extender; retardar.

prolong

vt prolongar; to prolong death..prolongar la muerte

References in classic literature ?

I know whom I may bully and whom I must flatter; and I thus prolong my life to a good old age."

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"Here it is!" said Levin, pointing to Laska, who with one ear raised, wagging the end of her shaggy tail, came slowly back as though she would prolong the pleasure, and as it were smiling, brought the dead bird to her master.

View in context

My kind friends here are most affectionately urgent with me to prolong my stay, but their hospitable and cheerful dispositions lead them too much into society for my present situation and state of mind; and I impatiently look forward to the hour when I shall be admitted into Your delightful retirement.

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The last is necessary to enable the people, when they see reason to approve of his conduct, to continue him in his station, in order to prolong the utility of his talents and virtues, and to secure to the government the advantage of permanency in a wise system of administration.

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"Ja wo-o-ohl!" cried I again with all my might with a longdrawn rolling of the " ohl " sound after the fashion of the Berliners (who constantly use the phrase "Ja wohl!" in conversation, and more or less prolong the syllable "ohl" according as they desire to express different shades of meaning or of mood).

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It is a lovely night, and why should we not prolong our ride a little?"

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It was useless to prolong the discussion: everybody knew the melancholy fate of the few gentlemen who had risked their clean linen in municipal or state politics in New York.

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He mentioned the beauties of his native country and asked us if those were not sufficient allurements to induce us to prolong our journey as far north as Perth, where he resided.

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For now, since by many prolonged, repeated experiences, I have perceived that in all cases man must eventually lower, or at least shift, his conceit of attainable felicity; not placing it anywhere in the intellect or the fancy; but in the wife, the heart, the bed, the table, the saddle, the fire-side, the country; now that I have perceived all this, I am ready to squeeze case eternally.

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The very reverse of those qualities prevailed among them during the prolonged sojourns of Captain Bonneville.

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But however prolonged and exhausting the chase, the harpooneer is expected to pull his oar meanwhile to the uttermost; indeed, he is expected to set an example of superhuman activity to the rest, not only by incredible rowing, but by repeated loud and intrepid exclamations; and what it is to keep shouting at the top of one's compass, while all the other muscles are strained and half started --what that is none know but those who have tried it.

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There is no instance of a country having benefited from prolonged warfare.

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