SWELL Synonyms: 426 Similar and Opposite Words

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

Some common synonyms of swell are amplify , dilate , distend , expand , and inflate . While all these words mean "to increase in size or volume," swell implies gradual expansion beyond a thing's original or normal limits. // the bureaucracy swelled to unmanageable proportions

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

The synonyms amplify and swell are sometimes interchangeable, but amplify implies the extension or enlargement of something inadequate. // amplify the statement with details

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

While the synonyms dilate and swell are close in meaning, dilate applies especially to expansion of circumference. // dilated pupils

Q: When could 'distend' be used to replace 'swell'?

The words distend and swell are synonyms, but do differ in nuance. Specifically, distend implies outward extension caused by pressure from within. // a distended abdomen

Q: When would 'expand' be a good substitute for 'swell'?

Although the words expand and swell have much in common, expand may apply regardless of the manner of increase (such as growth, unfolding, addition of parts). // a business that expands every year

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

While in some cases nearly identical to swell , inflate implies expanding by introduction of air or something insubstantial and suggests a vulnerability to sudden collapse. // an inflated ego

swell 1 of 3

adjective

Definition of swell

as in great

of the very best kind what a swell time we had at the country club dance

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in happening

being in the latest or current fashion in its heyday as a summer resort, the town was known for its swanky hotels and swell restaurants

Synonyms & Similar Words

Antonyms & Near Antonyms

swell

2 of 3

verb

ˈswel

as in to increase

to become greater in extent, volume, amount, or number the club membership has really swelled in recent months

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to expand

to make greater in size, amount, or number more layoffs will swell the ranks of the unemployed to unprecedented levels

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to protrude

to extend outward beyond a usual point at that point the Congo River swells and forms Malebo Pool

Synonyms & Similar Words

Antonyms & Near Antonyms

swell

3 of 3

noun

as in projection

a part that sticks out from the general mass of something the graceful swell of the bottle was meant to be evocative of the female figure

Synonyms & Similar Words

Antonyms & Near Antonyms

as in wave

a moving ridge on the surface of water huge swells overwhelmed the tiny craft

Synonyms & Similar Words

Synonym Chooser

How does the verb swell differ from other similar words?

Some common synonyms of swell are amplify, dilate, distend, expand, and inflate. While all these words mean "to increase in size or volume," swell implies gradual expansion beyond a thing's original or normal limits.

the bureaucracy swelled to unmanageable proportions

In what contexts can amplify take the place of swell?

The synonyms amplify and swell are sometimes interchangeable, but amplify implies the extension or enlargement of something inadequate.

amplify the statement with details

When might dilate be a better fit than swell?

While the synonyms dilate and swell are close in meaning, dilate applies especially to expansion of circumference.

dilated pupils

When could distend be used to replace swell?

The words distend and swell are synonyms, but do differ in nuance. Specifically, distend implies outward extension caused by pressure from within.

a distended abdomen

When would expand be a good substitute for swell?

Although the words expand and swell have much in common, expand may apply regardless of the manner of increase (such as growth, unfolding, addition of parts).

a business that expands every year

When is it sensible to use inflate instead of swell?

While in some cases nearly identical to swell, inflate implies expanding by introduction of air or something insubstantial and suggests a vulnerability to sudden collapse.

an inflated ego

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 swell

Adjective

Excessive moisture can cause wood to warp, split, crack, swell, and possibly mold. — Karen Brewer Grossman, Southern Living, 18 July 2026 Don’t get me wrong — if crystals and candles work for you, that’s swell. — Raven Brunner, PEOPLE, 30 June 2026

Verb

These wetlands, connected to the river, act as natural reservoirs that absorb and hold water, especially when the river swells with meltwater or heavy rain. — Literary Hub, 16 Oct. 2026 Advertisement Conversations swell through the room in waves, often prompted by Greaves himself, who was not just a filmmaker but also a poet and sculptor, a man who acted and danced. — Stephanie Zacharek, Time, 16 Oct. 2026

Noun

In Newport Beach, water from a massive swell — double the size that was initially predicted — blasted through 20-foot berms erected at the beach and inundated roads with about a foot of sea water ahead of Rachel’s arrival. — Hannah Fry, Los Angeles Times, 12 Oct. 2026 Already, waves are approaching a seaside rail line and oceanfront homes were damaged during swells last month tied to Hurricane Marie. — ABC News, 3 Oct. 2026 See All Example Sentences for swell

Recent Examples of Synonyms for swell

Adjective

But this is in fact the opportunity hiding inside the greatest technological acceleration of our lifetimes.

— Matt Alt, Fortune, 18 Oct. 2026
This scandal comes as an appalling blow to the BND, and Germany as a whole, at a time of great danger.

— The Week UK, TheWeek, 17 Oct. 2026

Definition of great

Adjective

The ship is thoughtfully designed to allow for ample space so guests do not feel overcrowded, even in the most happening spots.

— Susan Barnes, Southern Living, 10 Dec. 2025
While the overarching trend for fall is still lowest maintenance possible, there's a bit more happening than your typical sunny blondes and balayage brunettes.

— Bella Cacciatore, Glamour, 2 Sep. 2020

Definition of happening

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

From elevating beds to expanding sections to sliding walls and even entire roofs, these 10 homes transform to get maximum use out of a compact space.

— New Atlas, New Atlas, 17 Oct. 2026
Blue Origin is expanding its Florida operations to support a much faster launch schedule, targeting multiple New Glenn flights per week by the end of the decade.

— Aamir Khollam, Interesting Engineering, 17 Oct. 2026

Definition of expand

Noun

The team used projections of emissions throughout the life cycle of batteries used for electric vehicles (EVs) and energy storage through 2050.

— Scott K. Johnson, ArsTechnica, 19 Oct. 2026
By 2045, in some projections, a plurality of English readers will live in China.

— Nathan Heller, New Yorker, 19 Oct. 2026

Definition of projection

Noun

Two weeks later, a wave of protests had swept cities across France.

— Nicholas Bequelin, Time, 16 Oct. 2026
The death of actor and disability rights advocate RJ Mitte was met with a wave of grief from his Breaking Bad co-stars, who shared memories of Mitte following the tragedy.

— Charisma Madarang, Rolling Stone, 15 Oct. 2026

Definition of wave

Adjective

Williams aims to help build a county government that works for everyday people by lowering the cost of living, delivering excellent county services and protecting fundamental rights.

— Fort Worth Star-Telegram, Fort Worth Star-Telegram, 18 Oct. 2026
Nikko Remigio’s reputation as a return man isn’t splashy plays, but rather excellent ball security.

— Blair Kerkhoff, Kansas City Star, 18 Oct. 2026

Definition of excellent

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sweet tooth

swell

swelled

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Style

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

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Synonyms of swell

adjective

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noun

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