prolong

verb

pro·​long prə-ˈlȯŋ 

prolonged; prolonging; prolongs

transitive verb

1

: to lengthen in time : continue

2

: to lengthen in extent, scope, or range

prolongation

(ˌ)prō-ˌlȯŋ-ˈgā-shən  prə- 

noun

prolonger

prə-ˈlȯŋ-ər 

noun

Synonyms

• drag (out)
• draw out
• elongate
• extend
• lengthen
• outstretch
• protract
• stretch

Choose the Right Synonym for 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

Examples of prolong in a Sentence

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

High interest rates were prolonging the recession.

Recent Examples on the Web

These developments have unjustifiably prolonged this investigation and raise questions about the actual purpose of the proceeding. —ArsTechnica, 28 Mar. 2025

Rabinowitz and other experts say both Republicans and Democrats are undermining Housing First by criminalizing homelessness and conducting encampment sweeps that hinder the ability of front-line workers to get people into housing and services, prolonging their homelessness. —Angela Hart, CBS News, 26 Mar. 2025

In fact, James has even be able to slowly transition his game into being more perimeter-based, as to offset any loss in athletic prowess, further prolonging his effectiveness. —Morten Stig Jensen, Forbes.com, 26 Mar. 2025

The board was scheduled to vote on it Thursday, but that was postponed this week, prolonging the state of limbo. —Jack Prator, Orlando Sentinel, 25 Mar. 2025

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for prolong

• agung
• along
• belong
• birdsong
• furlong
• headlong
• headstrong
• lifelong
• plainsong
• sarong
• tanjong
• weeklong

Kids Definition

prolong

verb

pro·​long prə-ˈlȯŋ 

: to make longer in time

prolonged the visit