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 But Huckabee said the value of organizations like USIEA extends beyond showcasing military cooperation. — Rachel Wolf, FOXNews.com, 8 Aug. 2026 Improving one’s health and wellness seemed like a tangible response to the Covid crisis, especially for those with the time and resources to devote to extending their lifespan. — Tori Latham, Robb Report, 8 Aug. 2026 Countries that can manufacture aircraft, naval vessels, critical infrastructure and advanced technologies more quickly will enjoy advantages that extend far beyond economics. — Ariyan Kabir, Fortune, 8 Aug. 2026 Royce Lewis followed with a two-run double to left, extending his hitting streak to 13 games. — ABC News, 8 Aug. 2026 See All Example Sentences for extend

Recent Examples of Synonyms for extend

Verb

Like a single on the old-skool charts, Sean Combs‘ prison time keeps moving up and down, with the Bad Boy Records founder’s stint behind bars lengthened again.

— Dominic Patten, Deadline, 5 Aug. 2026
Originally built for Seabourn in the 1990s, this older ship was purchased by Windstar in 2015 and refurbished and lengthened in 2020.

— Erica Silverstein, Travel + Leisure, 4 Aug. 2026

Definition of lengthen

Verb

Start the conversation, suggest the class, or invite someone into a plan that expands the room.

— Tarot.com, Sun Sentinel, 8 Aug. 2026
South Africa's utility, Eskom, plans to develop a 1-gigawatt solar manufacturing facility to capture more value from its fast-expanding solar market and respond to changing electricity demand.

— ABC News, ABC News, 8 Aug. 2026

Definition of expand

Verb

Their goal was to test the leading theory, first put forward in the 1980s, that turbulence — the irregular motion of air currents in the atmosphere — caused shadow bands.

— Katie Hunt, CNN Money, 8 Aug. 2026
The loss was just the second this season for the Braves (70-46) when leading after eight innings in 62 such games.

— Chad Bishop, AJC.com, 8 Aug. 2026

Definition of lead

Verb

Corporate America has dramatically increased investment in women's sports over the past several years as leagues such as the WNBA and the National Women's Soccer League continue posting record attendance and television ratings.

— Tim Genske, Forbes.com, 8 Aug. 2026
Houthis’ allies The Houthis are backed by Iran, which began increasing its aid to the group in 2014 as the civil war escalated and as its rivalry with Saudi Arabia intensified.

— Sophie Tanno, CNN Money, 8 Aug. 2026

Definition of increase

Verb

Again, no free cash flow means funds need to be raised externally; equity offerings dilute shareholders, while debt offerings increase leverage and interest expense.

— Zev Fima, CNBC, 6 Aug. 2026
These factors raise the odds that the current push will be slowed, diluted, or forced into hybrid language.

— Steve Denning, Forbes.com, 3 Aug. 2026

Definition of dilute

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 pact gives Saudi Arabia a powerful new layer of protection beyond its longstanding security partnership with the United States amid growing regional doubts over whether Washington can still be relied upon to protect its oil-rich Gulf allies.

— Sophie Tanno, CNN Money, 8 Aug. 2026
McIntosh’s Bryan Boone, the county’s building and zoning administrator, said just shy of 30 feet was the minimum given the flood risk.

— Adam Van Brimmer, AJC.com, 8 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 11 Aug. 2026.

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Synonyms of extend

verb

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