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 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 By flying drones over a remote stretch of the Canadian Arctic, scientists were able to capture unique footage of narwhals, shedding light on the function of their famed protuberances, according to a study published Feb. 27 in Frontiers in Marine Science. Brendan Rascius, Miami Herald, 4 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 There are many different types of foam rollers, but the two main models are: the shorter style with protuberances which is used purely for working on circulation or muscle recovery, and the longer one made of smooth foam without protuberances, used for toning. Enrica Petraglia, Vogue, 13 Sep. 2024 See All Example Sentences for protuberance
Recent Examples of Synonyms for protuberance
Noun
  • The raw materials out there that can run this type of projection are hard to find, which added to the $120,000 and counting Roberts spent on bringing this to his theater, including a $100,000 loan in August.
    Joseph Hernandez March 28, Kansas City Star, 28 Mar. 2026
  • However, current projections suggest that level could be approached, or even challenged again, by late summer if dry conditions persist.
    Daniel Manzo, ABC News, 28 Mar. 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
  • Along each stem is a bump or bulge where leaves previously attached to the stem.
    Derek Carwood, Better Homes & Gardens, 10 Mar. 2026
  • Some online commenters in areas where it has been deployed also say the system struggles to properly level surfaces after holes are filled, which can lead to speed bump–like bulges.
    Mack DeGeurin, Popular Science, 26 Feb. 2026
Noun
  • But several Council members expressed the need for more stakeholder feedback before reaching a decision, in addition to clarity around which sections of city code the penalties would directly apply to.
    Claire Murphy, Chicago Tribune, 27 Mar. 2026
  • The fishery protects more than 145 acres of mangrove forest along its section of coastline.
    Ryan Kellman, NPR, 27 Mar. 2026
Noun
  • The View High Sports and Entertainment complex dome proposal had drawn the ire of a group of neighbors and praise from the local soccer community.
    Nathan Pilling March 25, Kansas City Star, 25 Mar. 2026
  • Torbiak is a fan of Isbreen the Glacier, a luxury igloo retreat with five geodesic domes located above the Arctic Circle in Norway.
    Ramona Saviss, HollywoodReporter, 24 Mar. 2026
Noun
  • 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
  • Even more interesting is the fact that Noctua is issuing three variants of the cooler with variations in the convexity of the cold plate: a normal, a high-convexity, and a low-convexity model.
    PCMAG, PCMAG, 10 June 2024
Noun
  • Like the swell of a wave drawn irresistibly to the shore.
    Taran Khan, The Dial, 24 Mar. 2026
  • Visitors should be cautious about going into a sea cave without a guide, as a swell can flow into it and dramatically raise the water level in a matter of seconds, pushing kayaks into rocks and leaving little air for those trapped inside.
    Kate Bradshaw, Mercury News, 23 Mar. 2026
Noun
  • Per the budget document, more than $47 million will go to infrastructure, including $18 million for plaza level waterproofing, $6 million for garage repairs and subgrade waterproofing and $14 million for the terrace level overhang and roof.
    Ted Johnson, Deadline, 25 Mar. 2026
  • This produced a 1-inch overhang on the front and left side of the vanity cabinet.
    Tim Carter, Hartford Courant, 21 Mar. 2026

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Cite this Entry

“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 31 Mar. 2026.

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