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 Colorado’s only restaurant with two Michelin stars plans to extend its pop-up residency at Clayton Hotel & Members Club through the end of the year, according to Id Est, the restaurant group that owns The Wolf’s Tailor. — The Know, Denver Post, 11 Oct. 2026 Less than 30 seconds later, running back Dante Kalala broke free for a 20-yard touchdown run, extending the lead to 14-0. — Shiloh Robinson, Fort Worth Star-Telegram, 10 Oct. 2026 On a read-option play, Colandrea kept the ball, picked up the first down, cut back upfield and turned the corner for Nebraska's second touchdown of the game, extending its lead to 17-6. — Ryan Canfield Outkick, FOXNews.com, 10 Oct. 2026 The only pass play MU called during that march resulted in a pass interference call on third and 12, extending the drive. — Pj Green, Kansas City Star, 10 Oct. 2026 See All Example Sentences for extend

Recent Examples of Synonyms for extend

Verb

The fund urged debt managers to lengthen maturities, warning that rollover risk could be exacerbated by strategies that replace long-term debt with short-term borrowing on a large scale.

— Anniek Bao, CNBC, 13 Oct. 2026
During construction, it was lengthened by 39 feet, adding a submarine hangar, a media studio, and a 3-D-printing and robotics laboratory.

— Robb Report, Robb Report, 9 Oct. 2026

Definition of lengthen

Verb

The company also offers add-ons like external paddleboard carriers and full-length overland roof racks.

— New Atlas, New Atlas, 15 Oct. 2026
Back before season one started, Dale Washberg came into Hoot Owl Books and offered Lee a Jim Thompson quote to jibe with his preferred job title — truthstorian.

— Amanda Whiting, Vulture, 15 Oct. 2026

Definition of offer

Verb

Good Time Charlie has Haddad shifting into a study of many characters at once and expanding in scale.

— Jackson McHenry, Vulture, 10 Oct. 2026
The National Hurricane Center's official forecast is not one specific line, but rather a cone of uncertainty that expands with time, up to five days out.

— ABC News, ABC News, 9 Oct. 2026

Definition of expand

Verb

Fitting that there are dinosaur replicas towering over the lobby that leads straight through the building.

— Condé Nast, Condé Nast Traveler, 11 Oct. 2026
The round was led by Freedom Fund and an international growth equity investor, with participation from Gardar, Iron Wolf and Autonomy Capital.

— Bojan Stojkovski, Interesting Engineering, 11 Oct. 2026

Definition of lead

Verb

Over the next three years, Movistar Plus plans to increase its annual output of Spanish originals from eight to 16 series, alongside another 10 titles through co-production and rights acquisition agreements.

— Emiliano de Pablos, Variety, 10 Oct. 2026
The GroundBreaker 1 selection comes as the Department of War places increasing emphasis on rapidly fielding autonomous and robotic systems capable of operating alongside warfighters.

— Prabhat Ranjan Mishra, Interesting Engineering, 10 Oct. 2026

Definition of increase

Verb

That’s not unusual — industries typically ask for a seat at the table, the better to steer discussions to their benefit and dilute any resulting rules.

— Business Columnist, Los Angeles Times, 13 Oct. 2026
Some French youths, like Lise, are concerned that all the talk about politics or references to the past take away from the present, and dilute the focus of student demands.

— Colette Davidson, Christian Science Monitor, 13 Oct. 2026

Definition of dilute

Verb

This is how most consumers first engage with collections, and re-sees create a second — and more intimate — moment for the pieces online, enabling brands to prolong the momentum, says Melbourne.

— Madeleine Schulz, Vogue, 8 Oct. 2026
Trump initially promised to end it in weeks, and Democrats, including Newsom, have criticized him for prolonging the conflict.

— Chad de Guzman, Time, 7 Oct. 2026

Definition of prolong

Verb

Although only group tours are available, there's a free audio app, which gives insight into the collection.

— Condé Nast, Condé Nast Traveler, 10 Oct. 2026
Among Steinbeck purists, giving Cathy a trauma backstory has proven a controversial move — one that just might turn the story’s main moral on its head.

— Jasmine Vojdani, Vulture, 10 Oct. 2026

Definition of give

Cite this Entry

Style

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

Copy Citation

Synonyms of extend

verb

Synonym Chooser

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

zenith

Popular in Grammar & Usage

'Affect' vs. 'Effect'

Merriam-Webster’s Great Big List of Words You Love to Hate

The Exceptions of '-s' and '-es' Plurals

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

The Words of the Week - Oct. 16

Popular

'Affect' vs. 'Effect'

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

Games & Quizzes