EXPAND Synonyms: 123 Similar and Opposite Words

Q: How does the verb 'expand' differ from other similar words?

Some common synonyms of expand are amplify , dilate , distend , inflate , and swell . While all these words mean "to increase in size or volume," expand may apply regardless of the manner of increase (such as growth, unfolding, addition of parts). // a business that expands every year

Q: When can 'amplify' be used instead of 'expand'?

The meanings of amplify and expand largely overlap; however, amplify implies the extension or enlargement of something inadequate. // amplify the statement with details

Q: When might 'dilate' be a better fit than 'expand'?

Although the words dilate and expand have much in common, dilate applies especially to expansion of circumference. // dilated pupils

Q: When is 'distend' a more appropriate choice than 'expand'?

The words distend and expand can be used in similar contexts, but distend implies outward extension caused by pressure from within. // a distended abdomen

Q: When is it sensible to use 'inflate' instead of 'expand'?

In some situations, the words inflate and expand are roughly equivalent. However, inflate implies expanding by introduction of air or something insubstantial and suggests a vulnerability to sudden collapse. // an inflated ego

Q: In what contexts can 'swell' take the place of 'expand'?

While the synonyms swell and expand are close in meaning, swell implies gradual expansion beyond a thing's original or normal limits. // the bureaucracy swelled to unmanageable proportions

expand

verb

ik-ˈspand

Definition of expand

as in to develop

to express more fully and in greater detail an article on the First Ladies that the author later expanded into a book

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in to increase

to make greater in size, amount, or number we had to expand the list of wedding guests several times in order to accommodate all the relatives Mother wouldn't dream of excluding

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to extend

to arrange the parts of (something) over a wider area a spare leaf for those times when we have to expand the dining table to accommodate extra guests

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to rise

to become greater in extent, volume, amount, or number water expands when it becomes frozen

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How does the verb expand differ from other similar words?

Some common synonyms of expand are amplify, dilate, distend, inflate, and swell. While all these words mean "to increase in size or volume," expand may apply regardless of the manner of increase (such as growth, unfolding, addition of parts).

a business that expands every year

When can amplify be used instead of expand?

The meanings of amplify and expand largely overlap; however, amplify implies the extension or enlargement of something inadequate.

amplify the statement with details

When might dilate be a better fit than expand?

Although the words dilate and expand have much in common, dilate applies especially to expansion of circumference.

dilated pupils

When is distend a more appropriate choice than expand?

The words distend and expand can be used in similar contexts, but distend implies outward extension caused by pressure from within.

a distended abdomen

When is it sensible to use inflate instead of expand?

In some situations, the words inflate and expand are roughly equivalent. However, inflate implies expanding by introduction of air or something insubstantial and suggests a vulnerability to sudden collapse.

an inflated ego

In what contexts can swell take the place of expand?

While the synonyms swell and expand are close in meaning, swell implies gradual expansion beyond a thing's original or normal limits.

the bureaucracy swelled to unmanageable proportions

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 expand The law could also sanction Russian leaders, officials, and financial institutions, and expand sanctions on Iran. — Azhar Sukri, CNBC, 17 Oct. 2026 With a bigger budget from Netflix, Sy and Leterrier leaned further into the show’s superhero-like qualities, expanding its universe beyond the novels of Maurice Leblanc and weaving some futuristic elements. — Elsa Keslassy, Variety, 16 Oct. 2026 The timing appears to line up with Mayer’s upcoming run of spring 2027 run of solo, full-band and trio shows at Las Vegas’ Sphere, which has expanded into a 21-gig spree slated to open on April 8 and run through June 12. — Gil Kaufman, Billboard, 16 Oct. 2026 The federal health department notes research has expanded across other federal health agencies. — ABC News, 16 Oct. 2026 See All Example Sentences for expand

Recent Examples of Synonyms for expand

Verb

The findings raise the possibility of developing treatments that expand a patient’s gamma delta T cells outside the body before returning them to fight the cancer.

— New Atlas, New Atlas, 15 Oct. 2026
Boston Dynamics‘ prototype operation brings engineers and machinists together to develop, manufacture, assemble, and maintain robotic hardware.

— Jijo Malayil, Interesting Engineering, 15 Oct. 2026

Definition of develop

Verb

To increase supply, the International Energy Agency agreed on Thursday to release more than 20 million barrels of fuel to the market.

— Arathy Somasekhar Reuters, Arkansas Online, 17 Oct. 2026
Preparing multiple missions Manufacturing more rocket hardware will not increase launch frequency unless teams can prepare several missions simultaneously.

— Aamir Khollam, Interesting Engineering, 17 Oct. 2026

Definition of increase

Verb

That question motivated Clark to better understand aging among plants and animals and to look for hints to extend humans' lifespan.

— KYLE MELNICK THE WASHINGTON POST, Arkansas Online, 18 Oct. 2026
It's also got two passive radiators for deep bass, and CMF says it's tuned the driver to extend its low-end range.

— New Atlas, New Atlas, 17 Oct. 2026

Definition of extend

Verb

A couple of sections in the shade, on the home sideline, rose a bit more than 3%.

— Barry Jackson, Miami Herald, 21 Oct. 2026
But then shipping disruptions, rising fuel costs, and steep international tariffs made exporting increasingly difficult, prompting Yu to turn her attention to building a domestic market.

— Victoria Malloy, Time, 21 Oct. 2026

Definition of rise

Verb

Consulting, contract, or part-time work can supplement your income without requiring you to resume a full-time job.

— Encyclopedia Britannica, Encyclopedia Britannica, 14 Oct. 2026
The nutritionist recommended one bottle of formula per day to supplement her intake, then two, and then multiple bottles per day.

— Raj Panjabi, Time, 13 Oct. 2026

Definition of supplement

Verb

Every clinical breakthrough has cost implications, accelerates the pace of change and widens the gap between what is scientifically possible and what is practical for clinicians delivering care.

— Brad Kreick, Forbes.com, 16 Oct. 2026
Its performance accelerated the slide of the ANC, once led by Nelson Mandela, which lost its parliamentary majority for the first time since the end of apartheid and was forced to form a coalition government.

— Tiisetso Motsoeneng, semafor.com, 16 Oct. 2026

Definition of accelerate

Verb

In the narrative to has unfolded from authorities and passenger accounts, Machchhar had the presence of mind to open the locked door of the cockpit after he was stabbed.

— Cynthia Littleton, Variety, 15 Oct. 2026
When the pre-sale opened this week for the band’s reunion tour, the Powderfinger camp was collectively gobsmacked.

— Lars Brandle, Billboard, 15 Oct. 2026

Definition of open

Verb

Engineers trying to support swelling AI workloads, video streaming, and cloud services often add thicker cables with more fiber pairs.

— Mrigakshi Dixit, Interesting Engineering, 19 Oct. 2026
Hedge fund assets swell With gross assets now standing at about $13 trillion, hedge funds have become an increasingly important part of the global investor landscape, the IMF said on Tuesday.

— Hugh Leask, CNBC, 18 Oct. 2026

Definition of swell

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exotics

expand

expanded

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“Expand.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/expand. Accessed 22 Oct. 2026.

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Synonyms of expand

verb

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