Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To lengthen in duration; protract.
  • transitive v. To lengthen in extent.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To extend in space or length.
  • v. To lengthen in time; to extend the duration of; to draw out; to continue.
  • v. To lengthen temporally; to put off to a distant time; to postpone.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To extend in space or length.
  • transitive v. To lengthen in time; to extend the duration of; to draw out; to continue.
  • transitive v. To put off to a distant time; to postpone.

from The Century Dictionary and Cyclopedia

  • To lengthen in time; extend the duration of; lengthen out.
  • To put off to a future time; postpone.
  • To extend in space or length: as, to prolong a straight line.
  • Synonyms and To protract, extend, continue, draw out.
  • To lengthen out; extend.
  • n. A prolongation: used specifically of an extension or elongated mouthpiece or chamber on retorts for the manufacture of zinc products or for the handling of other oxids which are volatile at high temperatures.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. lengthen or extend in duration or space
  • v. lengthen in time; cause to be or last longer

Etymologies

Middle English prolongen, from Old French prolonguer, from Late Latin prōlongāre : Latin prō-, forth; see pro-1 + Latin longus, long; see del-1 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • The word prolong means "to lengthen or extend in time or space."

    Lorna Bright: What do The Ten Commandments Have to Say About Living a Balanced Life? Honor Your Mother and Father

  • In addition to these social and economic difficulties, El Salvador alsofaces the problem of being "mexicanized," that is, a prolong assaultbya bloodthirsty alliance of the dope-dealing and human smuggling lumpen class with theelements of the localbourgeoisie and withUS imperialists to wreak havoc and carnage on society with the ultimate end of the seizure of state power for a death squadregime similar to theonethat rules Colombia.

    El Salvador's new FMLN government will face tough problems exacerbated by the world capitalist collapse

  • But for the president to kind of prolong the issue in the way that he did was, I think, a rare misstep and a lack of discipline on his part.

    CNN Transcript Aug 2, 2009

  • And I would argue that although reporters love to cover politics and we'll see more of it, that the press is allowing the White House to kind of prolong the war crisis atmosphere.

    CNN Transcript Jan 5, 2002

  • "There were some who wanted to 'prolong' the process to give long-shot candidates a chance at getting the nomination," said Anuzis.

    The Nation

  • We hear about men finishing too soon, etc. and about men wanting to "prolong" it.

    Yahoo! Answers: Latest Questions

  • The trick is to, so to speak, "prolong" eternity on this plane.

    One Cosmos

  • - MEANING IN JAIL "It's Malaysia's choice to" prolong "whereby the country will have to face the consequences or

    WordPress.com News

  • The Romos could have appealed the reduction of the punitive-damage award from $290 million to $23.7 million, but decided to accept that amount and not prolong the legal proceedings any further.

    The Conservative Assault on the Constitution

  • One reason may be that research to prolong maximum lifespan receives minuscule funding, especially compared with popular endeavors such as cancer research.

    Boing Boing

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