EXTEND Synonyms: 210 Similar and Opposite Words

Q: How does the verb 'extend' contrast with its synonyms?

Some common synonyms of extend are lengthen , prolong , and protract . While all these words 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

Q: When would 'prolong' be a good substitute for 'extend'?

The words prolong and extend can be used in similar contexts, but prolong suggests chiefly increase in duration especially beyond usual limits. // prolonged illness

Q: How do 'protract' and 'prolong' relate to one another, in the sense of 'extend'?

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

extend

verb

ik-ˈstend

Definition of extend next

as in to lengthen

to make longer our guests from out of town extended their visit by a week

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in to offer

to put before another for acceptance or consideration the couple extended an invitation to join them for a get-together at their house after the concert

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as in to expand

to arrange the parts of (something) over a wider area you can extend that chaise longue so that it lies completely flat

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as in to lead

to be positioned along a certain course or in a certain direction our backyard extends all the way to that brook

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as in to increase

to make greater in size, amount, or number embarked on a series of wars intended to extend his empire

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as in to dilute

to alter (something) for the worse with the addition of foreign or lower-grade substances the company extends its ice cream with thickeners and other additives

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Antonyms & Near Antonyms

Synonym Chooser

How does the verb extend contrast with its synonyms?

Some common synonyms of extend are lengthen, prolong, and protract. While all these words 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

When would prolong be a good substitute for extend?

The words prolong and extend can be used in similar contexts, but prolong suggests chiefly increase in duration especially beyond usual limits.

prolonged illness

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

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

protracted litigation

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of extend After rumors swirled that Norvell would be Alabama's pick to replace Saban, Florida State AD Michael Alford swooped in and extended his coach. —

Austin Perry Outkick, FOXNews.com, 28 Apr. 2026 Graham framed it that way, saying the benefits would extend beyond any single administration. —

Daniel Cassady, ARTnews.com, 28 Apr. 2026 This perspective extends into the company’s belief that operational improvement is best achieved through incremental refinement rather than abrupt transformation. —

Matt Emma, USA Today, 28 Apr. 2026 Smith also extends his teaching to outside the school, taking students to the state Capitol in Harrisburg each year to engage with policymakers. —

Holly Ramer, Los Angeles Times, 28 Apr. 2026 See All Example Sentences for extend

Recent Examples of Synonyms for extend

Verb

If the company ticks a few remaining boxes, the drug could soon be on sale, kick-starting a new era of longevity medicine that could eventually also lengthen humans’ lives.

— Ross Andersen, The Atlantic, 2 May 2026
Osceola County, currently contained entirely within District 9, will be chopped into two districts despite 9 being lengthened and extended well to the south.

— Ryan Gillespie, The Orlando Sentinel, 2 May 2026