EXTENDIBLE 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 Fire conditions also extended into the home, and a nearby home was exposed to high heat. —

Aurora Beacon-News, Chicago Tribune, 31 Mar. 2026 Operation Atalanta, the maritime operation launched to combat piracy in the waterway, was also extended. —

Glenn Taylor, Sourcing Journal, 31 Mar. 2026 Last year, the organization extended its global footprint with the launch of Tagline 360 London and Tagline 360 Dubai, strategic hubs connecting Asian creativity with brands and audiences across Europe and the Middle East. —

Daniel Fusch, USA Today, 31 Mar. 2026 Economic pressures are simultaneously pushing many to extend their working lives. —

Peter Thompson, Fortune, 31 Mar. 2026 See All Example Sentences for extend

Recent Examples of Synonyms for extend

Verb

D’Orsay flats lengthen the silhouette with a crisp line, while Mary Janes introduce a contemporary nuance and slingbacks finish off an outfit with polish.

— Alex Sales, Glamour, 29 Mar. 2026
Detention stays are lengthening in part because of the administration's decision last summer to restrict bond hearings in immigration court.

— Martin Kaste, NPR, 26 Mar. 2026