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 That could be relevant as officials eye expanding the KC Current’s CPKC Stadium along the growing Berkley Riverfront and building a new Royals stadium district around Crown Center. — Chris Higgins, Kansas City Star, 17 July 2026 Darren wants to bulldoze the minigolf course to expand his go carting empire and fulfill his NazzKart dream. — Peter White, Deadline, 17 July 2026 Here’s where the cannabis map could expand in 2026 and beyond. — Will Yakowicz, Forbes.com, 17 July 2026 For lawyers working to defend and expand anti-BDS legislation in court, PEN America’s new boycott position is clarifying. — Literary Hub, 17 July 2026 See All Example Sentences for expand

Recent Examples of Synonyms for expand

Verb

State officials say the legislation is intended to attract companies developing next-generation energy technologies.

— Neetika Walter, Interesting Engineering, 16 July 2026
The hospital has also successfully used AI to analyze patients’ heart rhythms to tell whether someone could develop atrial fibrillation, a condition that can cause blood clots and strokes.

— Clare Duffy, CNN Money, 16 July 2026

Definition of develop

Verb

In recent months, drone sightings in Nikopol have increased from two or three per day to about three every hour, day and night, Varytsev says.

— Daria Tarasova-Markina, CNN Money, 18 July 2026
Homelessness after incarceration increases the chances that someone will end up back behind bars, at a steep cost to taxpayers.

— Amber Gaudet July 18, Charlotte Observer, 18 July 2026

Definition of increase

Verb

Jac Caglianone extended his hitting streak to nine games with an RBI double in the third inning and Isaac Collins recorded an RBI single in the fourth.

— Kansas City Star, Kansas City Star, 19 July 2026
In recent days, though, broadcasters have predicted the spectacle will cause the regular half-time break to be extended, much to the annoyance of soccer purists.

— Ben Church, CNN Money, 19 July 2026

Definition of extend

Verb

Officials said the warning systems built since last year’s catastrophic floods were activated in Kerr County in the early hours before water levels began to rise, allowing for people to react quickly to flooding threats.

— Dalia Faheid, CNN Money, 17 July 2026
On linear television, the series is up +62% among adults 18-49, +26% among adults 25-54 and +30% in total viewers, with P2+ viewing across VOD platforms rising +44% within seven days of airing.

— Nellie Andreeva, Deadline, 16 July 2026

Definition of rise

Verb

Even workers who are still employed face double economic pressure as basic wages increasingly fail to meet rising living costs and reduced overtime, driven by falling orders, has hampered their ability to supplement income.

— Jasmin Malik Chua, Footwear News, 17 July 2026
To supplement their starters, Miami may need to rely further on its bullpen.

— Will Sammon, New York Times, 17 July 2026

Definition of supplement

Verb

Engineers believe exposing robots to everyday activities such as cooking will accelerate their development for applications beyond manufacturing, including hospitality, retail, healthcare, and domestic assistance.

— Jijo Malayil, Interesting Engineering, 17 July 2026
This transformation is not the product of any single administration, although recent political polarization has accelerated it.

— John Eger, Mercury News, 17 July 2026

Definition of accelerate

Verb

Travis Scott as the Bard Travis Scott makes his acting debut as the bard — the ancient Greek storyteller whose voice opens the film.

— Hannah Abraham, Forbes.com, 18 July 2026
About a 10-minute walk from Deansgate Mews, Aviva Studios — an enormous cultural venue that opened in 2023 — is currently hosting a major new exhibition by Chinese artist Ai Weiwei.

— Hanna Ziady, CNN Money, 18 July 2026

Definition of open

Verb

As the market continues to swell, and the clinical category starts to get a little crowded, Neutrogena knows the race to be the first to new ingredients is essential in maintaining its heritage as a leading brand.

— Kaleigh Werner, Footwear News, 15 July 2026
His eyes had bags under them, and his face was swollen from training for the Abu Dhabi World Professional Jiu-Jitsu Championship.

— Max Marshall, Vanity Fair, 15 July 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 19 Jul. 2026.

Copy Citation

Synonyms of expand

verb

Synonym Chooser

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on expand

More from Merriam-Webster

Word of the Day

accentuate

Popular in Grammar & Usage

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

Is that lie 'bald-faced' or 'bold-faced'?

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

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

Commonly Misspelled Words

Popular in Wordplay

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 17

Popular

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

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

Games & Quizzes