Try Our Apps


Avoid these words. Seriously.


[proh-lawng-gey-shuh n, -long-] /ˌproʊ lɔŋˈgeɪ ʃən, -lɒŋ-/
the act of prolonging:
the prolongation of a line.
the state of being prolonged.
a prolonged or extended form.
an added part.
Origin of prolongation
1480-90; < Late Latin prōlongātiōn- (stem of prōlongātiō) extension. See prolongate, -ion
Related forms
nonprolongation, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for prolongation
Contemporary Examples
Historical Examples
  • They were thus formed with their line of retreat in prolongation of their front.

    The Story of the Malakand Field Force Sir Winston S. Churchill
  • Geographically it is simply the prolongation of the Venetian plain.

  • It has been one of the main causes of the prolongation of the war.


    John French, Viscount of Ypres
  • The antique bed must be considered as the prolongation of the diphros.

    Museum of Antiquity L. W. Yaggy
  • Von Rittenheim was delighted at the prolongation of his happiness.

    A Tar-Heel Baron Mabell Shippie Clarke Pelton
  • The only variety to be expected is in its shrill intensity and prolongation.

  • In the prolongation of the street we see some remains of the convent.

    Historic Paris Jetta S. Wolff
  • About twenty of us had devoted our nights for over a week to the prolongation of a burrow.

Word Origin and History for prolongation

late 14c., from Old French prolongation (14c.), from Late Lation prolongationem (nominative prolongatio), noun of action from past participle stem of Latin prolongare (see prolong).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Nearby words for prolongation

Word Value for prolongation

Scrabble Words With Friends