prolong

play
verb pro·long \prə-ˈlȯŋ\

Definition of prolong

  1. transitive verb
  2. 1 :  to lengthen in time :  continue

  3. 2 :  to lengthen in extent, scope, or range

prolongation

play play \(ˌ)prō-ˌlȯŋ-ˈgā-shən, prə-\ noun

prolonger

play \prə-ˈlȯŋ-ər\ noun

Examples of prolong in a Sentence

  1. Additives are used to prolong the shelf life of packaged food.

  2. High interest rates were prolonging the recession.

Recent Examples of prolong from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prolong'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of prolong

Middle English, from Middle French prolonguer, from Late Latin prolongare, from Latin pro- forward + longus long

Synonym Discussion of prolong

extend, lengthen, prolong, protract mean to draw out or add to so as to increase in length. extend and lengthen imply a drawing out in space or time but extend may also imply increase in width, scope, area, or range. extend a vacation extend welfare services lengthen a skirt lengthen the workweek prolong suggests chiefly increase in duration especially beyond usual limits. prolonged illness protract adds to prolong implications of needlessness, vexation, or indefiniteness. protracted litigation

PROLONG Defined for English Language Learners

prolong

play
verb

Definition of prolong for English Language Learners

  • : to make (something) last or continue for a longer time


PROLONG Defined for Kids

prolong

play
verb pro·long \prə-ˈlȯŋ\

Definition of prolong for Students

prolonged

;

prolonging

  1. :  to make longer than usual or expected Medicines prolonged his life.



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