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2017 Word of the Year

prolong

[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.
2.
to make longer in spatial extent:
to prolong a line.
Origin of prolong
late Middle English
1375-1425
1375-1425; late Middle English prolongen < Late Latin prōlongāre to lengthen, equivalent to prō- pro-1 + long(us) long1 + -ā- theme vowel + -re infinitive ending
Related forms
prolongable, adjective
prolongableness, noun
prolongably, adverb
prolonger, noun
prolongment, noun
unprolongable, adjective
unprolonged, adjective
well-prolonged, adjective
Antonyms
1. abbreviate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for prolong
Contemporary Examples
Historical Examples
  • He will prolong your life and loosen every button on your waistcoat.

    The Underdog F. Hopkinson Smith
  • Can they prolong their own possession, or lengthen his days who enjoys them?

    Joseph Andrews, Vol. 2 Henry Fielding
  • Then which of us can prolong our lives by one day or hour or minute?

    The Christian Hall Caine
  • And then why—why should we prolong a painful interview, Glory?

    The Christian Hall Caine
  • It is not to treat him as a friend to prolong this interview.

British Dictionary definitions for prolong

prolong

/prəˈlɒŋ/
verb
1.
(transitive) to lengthen in duration or space; extend
Derived Forms
prolongation (ˌprəʊlɒŋˈɡeɪʃən) noun
prolonger, noun
prolongment, noun
Word Origin
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
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Word Origin and History for prolong
v.

early 15c., back-formation from prolongation or else from Old French prolonguer, porloignier (13c.), from Late Latin prolongare "to prolong, extend," from Latin pro- "forth" (see pro-) + longus "long" (adj.); see long (adj.). Related: Prolonged; prolonging; prolongable.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for prolong

10
14
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