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

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

Synonyms & Similar Words

Antonyms & Near Antonyms

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

Synonyms & Similar Words

Antonyms & Near Antonyms

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

Synonyms & Similar Words

as in to increase

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

Synonyms & Similar Words

Antonyms & Near Antonyms

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

Synonyms & Similar Words

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 The Bearcats responded with a nine-play, 80-yard drive and French’s fourth TD pass, a 17-yarder to Larenzo Fenner that extended Cincinnati’s lead to 31-15 with 50 seconds remaining in the third quarter. — ABC News, 24 Oct. 2026 Technically not in Lofoten, but well worth extending your trip for, Kvitnes Gard is a historic estate in Hadsel, Vesterålen, that operates as a 15-room farm hotel. — Arati Menon, Condé Nast Traveler, 24 Oct. 2026 Drake now holds 18 Diamond plaques, extending his record for the most of any artist. — Jessica Lynch, Billboard, 24 Oct. 2026 Washington's initiative applies to K-12 athletics, while Colorado's would extend to college sports. — Matt Calkins , Jackson Thompson Outkick, FOXNews.com, 24 Oct. 2026 See All Example Sentences for extend

Recent Examples of Synonyms for extend

Verb

In both countries, falling fertility rates and lengthening lifespans keep worsening the fiscal picture.

— NIALL FERGUSON, Foreign Affairs, 20 Oct. 2026
Cryptographers responded by lengthening the keys, and 2,048 bits is now considered the minimum.

— Chris Stokel-Walker, Scientific American, 15 Oct. 2026

Definition of lengthen

Verb

Dummy’s third full-length release tasks itself with offering an affirmation of life, spelled out in no uncertain terms through the thwack of DnB drumlines, abrasive distortion, and incisive songwriting.

— Sue Park, Pitchfork, 22 Oct. 2026
Like Kostka, Torito is committed to offering health insurance for his employees, even as his own costs rise.

— Alana Semuels, Time, 22 Oct. 2026

Definition of offer

Verb

An interceptor that can engage targets at greater distances could expand the area protected by existing air defense units.

— Aamir Khollam, Interesting Engineering, 24 Oct. 2026
Founded by three childhood friends, Olivier Bon, Pierre-Charles Cros, and Romée de Gorianoff, who were later joined by Xavier Padovani, the Experimental Group gradually expanded to encompass wine bars, restaurants, and boutique hotels.

— Condé Nast, Condé Nast Traveler, 23 Oct. 2026

Definition of expand

Verb

After a quiet day otherwise, Riley exploded for 33- and 72-yard rushing touchdowns to finish as the game’s leading rusher with 128 yards and two touchdowns on 13 carries.

— Shaun Goodwin, Idaho Statesman, 25 Oct. 2026
Austin Reaves and Walker Kessler lead Lakers past the Clippers in an error-prone game.

— Andrew J. Campa, Los Angeles Times, 25 Oct. 2026

Definition of lead

Verb

Kim Hong-Cheol, the South Korean military official, said leaving the dispute over the military demarcation line unresolved would increase the risk of accidental clashes because troops from both sides act on their own understanding of the line.

— Arkansas Online, Arkansas Online, 24 Oct. 2026
As rain chances increase overnight, the temperature will drop to 40 degrees.

— Hali Smith October 23, Idaho Statesman, 23 Oct. 2026

Definition of increase

Verb

The plan, earlier reported by Semafor, will allow the company to issue new stock — for acquisitions, to lure top AI talent, and to pay for chips — without diluting Mark Zuckerberg’s control.

— Liz Hoffman, semafor.com, 21 Oct. 2026
Even where mold has been detected, brewing dilutes the concentration and lowers any health risk.

— Hanna Wickes, Miami Herald, 20 Oct. 2026

Definition of dilute

Verb

Sunday's presidential runoff in Brazil could prolong the career of a political giant—or usher in a new generation of a political dynasty.

— Carrie Kahn, NPR, 23 Oct. 2026
Flying with a blood clot is not always prohibited, but prolonged sitting during air travel can increase the risk of blood clots.

— ABC News, ABC News, 21 Oct. 2026

Definition of prolong

Verb

The prince didn’t have any luck in blocking Kelce, which comes as little surprise given the Chiefs star knows how to avoid defensive players.

— Pete Grathoff, Kansas City Star, 24 Oct. 2026
This year, the company completed its purchase of Hot Topic, BoxLunch and Her Universe from Sycamore Partners, giving it more than 3,000 stores across North America.

— Catherina Gioino, Fortune, 24 Oct. 2026

Definition of give

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Style

“Extend.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extend. Accessed 27 Oct. 2026.

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Synonyms of extend

verb

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