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
  • As a result, total net unauthorized immigration for 2025 reached -548,000, about 50% more than the Congressional Budget Office’s latest projection of -365,000.
    Jason Ma, Fortune, 4 Apr. 2026
  • But another result, according to experts and projections from government officials, figures to touch wallets.
    Andre Mouchard, Oc Register, 4 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
  • The Arab Spring uprisings of 2011-12 owe much of their origin to a youth bulge in the Middle East.
    John Rennie Short, The Conversation, 31 Mar. 2026
  • The diagnosis came after a headache that developed behind his eyes at the beginning of last year, followed by a left eye bulge so noticeable that his boss sent him home from work.
    Rebecca Cohen, NBC news, 30 Mar. 2026
Noun
  • The shutdowns are slated to take place during the night hours in sections of Alameda County, Contra Costa County and Solano County, the state Transportation Department said.
    George Avalos, Mercury News, 4 Apr. 2026
  • My spacious room in the heritage section had stained cedar headboards with gorgeous grain, a large comfortable sofa and heather grey carpets.
    Condé Nast, Condé Nast Traveler, 3 Apr. 2026
Noun
  • Use the dome light and flashers to make your vehicle more noticeable.
    CA Weather Bot, Sacbee.com, 1 Apr. 2026
  • These and other features, including extensive air handling equipment, are designed to keep highly radioactive materials such as uranium and plutonium trapped inside the dome, according to multiple experts.
    Tamara Qiblawi, CNN Money, 1 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
  • Only 2200 of them remain, having staved off swells of economic uncertainty, retaining their Irish accents and ways of life.
    Condé Nast, Condé Nast Traveler, 2 Apr. 2026
  • The bills drew a swell of opposition during a public hearing earlier this month.
    Katy Golvala, Hartford Courant, 31 Mar. 2026
Noun
  • But the orders for its planes haven't gone anywhere, so shares could be in for a major rebound once the war overhang is lifted.
    Jim Cramer, CNBC, 2 Apr. 2026
  • With several other social media cases scheduled to go to trial in California state court this year, legal issues are expected to remain an overhang on shares for some time.
    Bloomberg, Mercury News, 30 Mar. 2026

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Cite this Entry

“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 5 Apr. 2026.

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