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 Tropical-storm-force winds extended outward for as much as 220 miles and were expected to hit the islands of Oahu and Kauai by Sunday morning. — Jennifer Sinco Kelleher, Los Angeles Times, 15 Aug. 2026 Experts emphasize communicating the full range of dangers, as impacts extend far beyond the storm's precise center, and public understanding of risk is paramount. — Marshall Shepherd, Forbes.com, 15 Aug. 2026 Lanternfish itself demonstrated that the challenge extends beyond simply detecting one type of underwater drone. — Kaif Shaikh, Interesting Engineering, 15 Aug. 2026 In 2019, the time frame was extended to once every three years. — Gregory Royal Pratt, Chicago Tribune, 15 Aug. 2026 See All Example Sentences for extend

Recent Examples of Synonyms for extend

Verb

And among those areas that could face a lengthening drought is the Pacific Northwest because of the way the jet stream moves during El Nino.

— Dana Taylor, USA Today, 10 Aug. 2026
But part of the reason the Rays got Hicks in trade last week from Miami was to lengthen the top of their lineup and provide protection for Caminero.

— Marc Topkin, The Orlando Sentinel, 9 Aug. 2026

Definition of lengthen

Verb

EasyNest Bed Wedge Pillow Set offers adjustable and elevated back support for better sleep, reading or working, with a gentle slope that can ease snoring, acid reflux and post-surgery discomfort.

— ABC News, ABC News, 15 Aug. 2026
Albeit in an uncompetitive effort, the Falcons’ 27-7 loss to the Broncos in the preseason opener Friday night offered a glimpse at a vast majority of the team’s roster.

— Daniel Flick, AJC.com, 15 Aug. 2026

Definition of offer

Verb

Investors have increasingly scrutinized the chipmaker’s expanding financial ties with major AI customers.

— Aamir Khollam, Interesting Engineering, 15 Aug. 2026
New business models such as Walmart supercenters, Costco warehouse clubs and Trader Joe’s specialty stores expanded the abundance further.

— Nathaniel Meyersohn, CNN Money, 15 Aug. 2026

Definition of expand

Verb

The Broncos, who lost in the AFC championship game last season, led 24-0 at halftime and were never threatened.

— Daniel Flick, AJC.com, 15 Aug. 2026
The continent has the world’s youngest population, but several countries are still led by aging leaders whose political careers began decades ago, including former liberation figures now governing in a different era.

— Nimi Princewill, CNN Money, 15 Aug. 2026

Definition of lead

Verb

The kingdom has faced increasing attacks from the Houthis, who also declared a blockade on the al-Mandeb Strait in the Red Sea on July 20.

— Tim Lister, CNN Money, 15 Aug. 2026
Nor would increased options out wide and a central defender, The Athletic revealing earlier this week that a couple of bids have been rejected for Norway international centre-back Henrik Falchener, 23, from that country’s Viking Stavanger.

— Richard Sutcliffe, New York Times, 15 Aug. 2026

Definition of increase

Verb

That could prolong heavy rain and raise the risk of flooding and landslides, especially in mountainous areas and along smaller rivers.

— Reuters, NBC news, 9 Aug. 2026
In actuality, that’s the best thing to do since prolonging the repair can lead to a full-on replacement that wasn’t warranted in the first place.

— Ashlyn Needham, Southern Living, 5 Aug. 2026

Definition of prolong

Verb

The Arts District is a short rideshare away and gives you all the indie bars and restaurants and vintage shopping.

— Condé Nast, Condé Nast Traveler, 15 Aug. 2026
Karlie Lema’s pressure gave Bay FC (5-10-4) a lead in the sixth minute, but Moriya responded a minute later to tie it and Utah (11-6-3) took the lead in the 22nd minute on Narumi’s shot from outside the box.

— ABC News, ABC News, 15 Aug. 2026

Definition of give

Cite this Entry

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“Extend.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/extend. Accessed 16 Aug. 2026.

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Synonyms of extend

verb

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