Definition of protuberancenext

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 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 Whether those protuberances make it onto the production vehicle, the latest of which was just shown at the annual CES tech show in Las Vegas, remains to be seen (and hopefully won’t be seen). William Roberson, Forbes, 9 Jan. 2025 See All Example Sentences for protuberance
Recent Examples of Synonyms for protuberance
Noun
  • Adams’ production creates a cinematic penumbra through the projections of Ruey Horng Sun, a soundscape by Sinan Refik Zafar that lyrically underscores the actions and the emotionally attuned lighting of Reza Behjat.
    Theater Critic, Los Angeles Times, 11 Apr. 2026
  • That projection is based on the player’s performance in each metric over the last three seasons (five for goalies), weighted for recency where more recent seasons carry more significance and regressed to the mean.
    Dom Luszczyszyn, New York Times, 10 Apr. 2026
Noun
  • An unnoticed protrusion on the floor she’s dragged across renders her injury considerably worse, turning temporary acute discomfort into a real medical emergency.
    Dennis Harvey, Variety, 14 Mar. 2026
  • Another cutesy promo video shows the robot phone coming to life, flipping out of a protrusion next to the usual camera bump in the back of the device, and even meeting a humanoid robot face-to-face.
    Victor Tangermann, Futurism, 25 Feb. 2026
Noun
  • Some of these are arranged into more staid compositions of geometric bands of color, while others bend and bulge into shapes evoking the baroque ruination of junk-yard findings.
    Vince Aletti, New Yorker, 17 Apr. 2026
  • In the papers of Shere Hite there are hundreds of letters from male readers, these spill and bulge from the 300 boxes that make up this archive.
    Literary Hub, Literary Hub, 15 Apr. 2026
Noun
  • Their remains have been moved across the street to another section of the graveyard.
    ABC News, ABC News, 18 Apr. 2026
  • The collapse happened at the CHOP parking garage under construction on the 3000 block of Grays Ferry Avenue on April 8 during the installation of a precast concrete section, according to Parker.
    Tom Ignudo, CBS News, 17 Apr. 2026
Noun
  • Plans include two full-sized fields and a goalkeeper training pitch, a seasonal inflatable dome, a weight room, recovery equipment, as well as spaces for offices and media.
    Joseph States, Chicago Tribune, 15 Apr. 2026
  • These sippers come with a matching glass dome lid for a little extra coffee shop style, and inside each cup is a glass straw.
    Sophia Beams, Better Homes & Gardens, 14 Apr. 2026
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
Noun
  • Less than a day earlier, astronauts Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen had been plucked from 3-foot swells by helicopters and transported them roughly one mile to the USS Murtha.
    Gary Robbins, San Diego Union-Tribune, 12 Apr. 2026
  • That was largely because of a huge swell of protests from hunters, fishermen, hikers, mountain bikers, and other recreational users of these lands—and from the businesses that cater to them.
    Bill McKibben, New Yorker, 7 Apr. 2026
Noun
  • The top had a 2-inch overhang past the front surface of the stone walls.
    Tim Carter, Hartford Courant, 11 Apr. 2026
  • The ascent itself is risky — individuals can be dislodged by fast-moving water or struggle to navigate complex features such as overhangs, sometimes requiring inverted positioning.
    Samantha Agate, Charlotte Observer, 9 Apr. 2026

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Cite this Entry

“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 20 Apr. 2026.

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