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

These at-home devices are ideal for prolonging results between waxing appointments, as an alternative to shaving, and can conveniently be done on wet or dry skin. —Malia Griggs, Glamour, 30 July 2025

The implementation of Stage 4 is solely a water management measure at this time to aid in prolonging our groundwater supply. —Hollie Silverman, MSNBC Newsweek, 29 July 2025

Washington blames Hamas for prolonging the war and obstructing humanitarian aid. —Amira El-Fekki‎, MSNBC Newsweek, 25 July 2025

To prolong your stay in this natural wonderland, look to organizations such as United Planet and Worldwide Opportunities on Organic Farms, which also offers opportunities to work on conservation projects or in social services. —Sarah Sekula, USA Today, 25 July 2025