PROTUBERANCE Synonyms: 61 Similar and Opposite Words

Q: How is the word 'protuberance' different from other nouns like it?

Some common synonyms of protuberance are bulge , projection , and protrusion . While all these words mean "an extension beyond the normal line or surface," protuberance implies a growing or swelling out in rounded form. // a skin disease marked by warty protuberances

Q: When is 'bulge' a more appropriate choice than 'protuberance'?

The synonyms bulge and protuberance are sometimes interchangeable, but bulge suggests an expansion caused by internal pressure. // bulges in the tile floor

Q: When could 'projection' be used to replace 'protuberance'?

In some situations, the words projection and protuberance are roughly equivalent. However, projection implies a jutting out especially at a sharp angle. // those projections along the wall are safety hazards

Q: In what contexts can 'protrusion' take the place of 'protuberance'?

The words protrusion and protuberance are synonyms, but do differ in nuance. Specifically, protrusion suggests a thrusting out so that the extension seems a deformity. // the bizarre protrusions of a coral reef

protuberance

noun

prō-ˈtü-b(ə-)rən(t)s

Definition of protuberance

as in projection

a part that sticks out from the general mass of something the tree trunk had several mossy protuberances where branches had once grown

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Synonym Chooser

How is the word protuberance different from other nouns like it?

Some common synonyms of protuberance are bulge, projection, and protrusion. While all these words mean "an extension beyond the normal line or surface," protuberance implies a growing or swelling out in rounded form.

a skin disease marked by warty protuberances

When is bulge a more appropriate choice than protuberance?

The synonyms bulge and protuberance are sometimes interchangeable, but bulge suggests an expansion caused by internal pressure.

bulges in the tile floor

When could projection be used to replace protuberance?

In some situations, the words projection and protuberance are roughly equivalent. However, projection implies a jutting out especially at a sharp angle.

those projections along the wall are safety hazards

In what contexts can protrusion take the place of protuberance?

The words protrusion and protuberance are synonyms, but do differ in nuance. Specifically, protrusion suggests a thrusting out so that the extension seems a deformity.

the bizarre protrusions of a coral reef

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 protuberance When cells produce proteins, the amino acids spontaneously fold into tangled and twisted structures, with pockets and protuberances, and sometimes long, trailing tails. — Jeremy Kahn, Fortune, 28 Nov. 2025 In the far distance lies the Pacific Ocean, and beyond that, featureless protuberances labeled Japan, Russia and China. — Matthew Carey, Deadline, 1 Sep. 2025 Above the central display is a ventilative protuberance sporting a pair of menacing ambient lights. — Brett Berk, Robb Report, 19 Aug. 2025 Violet-blue protuberances are surrounded by what look like thorns but are actually soft, if jagged, flower parts. — Joshua Siskin, Orange County Register, 14 Mar. 2025 See All Example Sentences for protuberance

Recent Examples of Synonyms for protuberance

Noun

The initiative reinforces Embratur’s role in promoting Brazil across its multiple dimensions — touristic, cultural, economic, and symbolic — by recognizing audiovisual production as a key tool for the country’s international projection.

— John Hopewell, Variety, 14 Sep. 2026
The projections of both teams being near the top of the list seem dead on, as both teams showed a high ceiling.

— Joe Buscaglia, New York Times, 13 Sep. 2026

Definition of projection

Noun

Bra bands that dig in and have minimal side coverage can create bulges under your tops and dresses, but this under-$20 Warners style does the opposite, according to shoppers.

— Jeaneen Russell, PEOPLE, 2 Sep. 2026
Monitoring stars by the hundreds of millions is necessary for the rare and fleeting events Roman’s bulge survey is most primed to find.

— Adam Kovac, Scientific American, 29 Aug. 2026

Definition of bulge

Noun

Signs point towards the heat dome holding fairly steady across the Plains through the next two weeks before temperatures trend back towards average.

— Doyle Rice, USA Today, 5 Sep. 2026
Many of the 76 rooms and suites include private terraces overlooking Gran Via with the upper floor rooms facing the ornate gold dome of the Metropolis, one of Madrid’s most famous buildings.

— Eddi Fiegel, Robb Report, 3 Sep. 2026

Definition of dome

Noun

Today, convexity, which can be more expensive, is used earlier and some experts recommend a convexity-first approach after ostomy surgery.

— Diego Schaps, STAT, 1 Apr. 2026
The tower flaunts its partnership with the Dime Savings Bank, sending the 1908 landmark’s geometrical exuberance rocketing upward in a play of convexities and concavities, glass and trim, darkness and gleam.

— Justin Davidson, Curbed, 28 Jan. 2026

Definition of convexity

Noun

Every now and then, instead of hitting the wooden boardwalk and shooting several stories skyward, a swell would simply surge over the top of the wall, sending saltwater and debris down the street.

— Jack Dolan, Los Angeles Times, 9 Sep. 2026
Waves crashing above rooftops in Long Beach from historic swell smashing the Alamitos Peninsula.

— Tom Tapp, Deadline, 8 Sep. 2026

Definition of swell

Noun

Engineers who separately examined the building’s exterior supposedly found widespread corrosion in structural components of the soffit panels along the underside of an overhang that wraps around the center.

— Francesca Aton, ARTnews.com, 14 Sep. 2026
Volatility tends to ease in November, with the VIX falling around 4% as the midterm results remove a key political overhang and provide investors with greater clarity on the policy backdrop, said James Ooi, market strategist at Tiger Brokers.

— Joanna Ossinger,Justina Lee, CNBC, 10 Sep. 2026

Definition of overhang

Browse Nearby Words

protrusive

protuberance

protuberances

See all Nearby Words

Cite this Entry

Style

“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 17 Sep. 2026.

Copy Citation

Synonyms of protuberance

noun

Synonym Chooser

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

watershed

Popular in Grammar & Usage

Why do we use apostrophes to show possession?

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

The Exceptions of '-s' and '-es' Plurals

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

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

Popular in Wordplay

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

Words from the 'Odyssey'

14 Phobias You Probably Haven't Heard Of

12 Lovely and Unusual Words for the Natural World

Popular

Why do we use apostrophes to show possession?

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

Games & Quizzes