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 report also tracks nine brand repair programs that were created or expanded in the first half of 2026. — Cleo Levin, Footwear News, 23 Oct. 2026 More than anything, this move by Sheridan goes to show how his influence far expands past just entertainment. — David Hookstead Outkick, FOXNews.com, 23 Oct. 2026 Dangote’s company bought a 25% stake in the Kenya Pipeline Company, a strategic move that underscores the industrialist’s plan to expand his oil and gas unit into a pan-African operation. — Alexander Onukwue, semafor.com, 23 Oct. 2026 Enacted during the Korean War, the Defense Production Act was first used to expand domestic industries in critical materials, such as aluminum and titanium, for national defense. — Miranda Jeyaretnam, Time, 23 Oct. 2026 See All Example Sentences for expand

Recent Examples of Synonyms for expand

Verb

Most Americans don’t want more data centers and think AI is developing too fast.

— Diane Brady, Fortune, 22 Oct. 2026
The grant pays for the organizations to train staff in exercise oncology, to develop or expand programs to help those who have had, or survived cancer.

— Adam Thompson, CBS News, 21 Oct. 2026

Definition of develop

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

Allen drained it to extend Charlotte’s lead to 20, and then found Dennis Schröder for a high-five as Miami called a timeout.

— Charlotte Observer, Charlotte Observer, 25 Oct. 2026
L3Harris is pursuing an air-breathing ramjet design intended to improve fuel efficiency and extend engagement distances.

— Aamir Khollam, Interesting Engineering, 24 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

There’s a gleaming hospital and a string of new downtown spots to supplement The Bar, the beloved dive that was supposedly among the inspirations for the Patch Café in the TV series Landman, which is set here.

— Tim McDonnell, semafor.com, 22 Oct. 2026
There isn’t much salary cap or draft capital for the team to maneuver in order to supplement the squad.

— OutKick, FOXNews.com, 21 Oct. 2026

Definition of supplement

Verb

The car can accelerate from zero-60 in less than a second and perform feats that once belonged in science fiction.

— Rick Lazio, Fortune, 24 Oct. 2026
The company says the changes are intended to make electric vehicles more affordable while accelerating development and manufacturing.

— Neetika Walter, Interesting Engineering, 23 Oct. 2026

Definition of accelerate

Verb

The campus opened with six students this year, but Castello has big plans for it.

— ABC News, ABC News, 21 Oct. 2026
Many younger consumers are gravitating toward physical products that offer experiences their phones can’t match, which happens to open a door for real family bonding.

— Ashley Lynch, Kansas City Star, 21 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

Browse Nearby Words

exotics

expand

expanded

See all Nearby Words

Cite this Entry

Style

“Expand.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/expand. Accessed 28 Oct. 2026.

Copy Citation

Synonyms of expand

verb

Synonym Chooser

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

grotesque

Popular in Grammar & Usage

How to Use 'Who' vs. 'Whom'

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

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'

'Za' and 9 Other Words to Help You Win at SCRABBLE

Popular

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes