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

Advertisement Some systems, built on closed power, can prolong their survival. —John Hope Bryant, Time, 6 Sep. 2025

Most pro wrestlers prolong their careers well beyond their prime, which makes Cena an outlier. —Justin Barrasso, Boston Herald, 5 Sep. 2025

The technology ideally should be used for sectors that are difficult to decarbonize, such as cement production, aviation and agriculture, rather than to extend the life of polluting power plants or to prolong the use of oil and gas, Koberle said. —Emma Burleigh, Fortune, 5 Sep. 2025

Simple jokes, clichés served up as a refreshing alcohol-free aperitif to prolong meetings without really getting to work. —Literary Hub, 5 Sep. 2025