Synonyms of prolong

prolong

verb

prə-ˈlȯŋ 

as in to lengthen

to make longer

would like to prolong our vacation by any means possible

Synonyms & Similar Words

• lengthen
• extend
• increase
• stretch
• protract
• elongate
• drag (out)
• draw out
• expand
• enlarge
• outstretch
• amplify
• attenuate
• thin

Antonyms & Near Antonyms

• shorten
• curtail
• cut
• reduce
• cut back
• decrease
• diminish
• lessen
• abridge
• abbreviate
• thicken

Synonym Chooser

How does the verb prolong contrast with its synonyms?

Some common synonyms of prolong are extend, lengthen, and protract. While all these words mean "to draw out or add to so as to increase in length," prolong suggests chiefly increase in duration especially beyond usual limits.

prolonged illness

How do extend and lengthen relate to one another, in the sense of prolong?

Both 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

How are the words protract and prolong related?

Protract adds to prolong implications of needlessness, vexation, or indefiniteness.

protracted litigation

Example Sentences

Recent Examples of prolong

Instead, the goal of treatment is to manage your symptoms or prolong your life.4 Currently, the only three medications approved to manage ALS are Rilutek (riluzole), Radicava (edaravone), and Olpruva (sodium phenylbutyrate). —Janelle McSwiggin, Health, 20 July 2025

And frustrated Russian politicians are lashing out, accusing President Trump of talking peace, but prolonging the war behind the scenes. —Matthew Chance, CNN Money, 15 July 2025

Make sure to change the paper towel or water every day or two to prolong freshness if using these methods. —Katie Rosenhouse, Southern Living, 15 July 2025

Like human dry shampoos, the waterless cleanser prolongs wash day, but without alcohol, parabens, or sulfates. —People Deals Team, People.com, 10 July 2025