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 Kahan threw the typically upbeat floral protuberance, Tango obligingly chased after it just like a real dog would. Kory Grow, Rolling Stone, 27 Mar. 2024 But mechanical gimbals are not exactly aerodynamic—one example is that massive protuberance on the nose of Predator drones. IEEE Spectrum, 30 Nov. 2011 Many of these species are brightly colored and have protuberances and stinging hairs known as setae, that can cause a rash to humans that touch them. Elizabeth Gamillo, Discover Magazine, 2 Oct. 2023 From above, the appendages look like the protuberances of an amoeba. Victoria Sayo Turner, Smithsonian Magazine, 26 Sep. 2023 See All Example Sentences for protuberance
Recent Examples of Synonyms for protuberance
Noun
  • The Canadian company is responsible for the cameras and projection systems that allow movies to be seen on the biggest screens around the world.
    David Faris, Newsweek, 27 Feb. 2025
  • Nvidia’s projection of $43 billion in sales for the current quarter — a 65% increase — was about $1 billion more than analysts projected, the Journal noted.
    Peter Cohan, Forbes, 27 Feb. 2025
Noun
  • The reason whooping cough can bring on such a gnarly, well, cough in the first place is because of how B. pertussis wreaks havoc: These bugs latch on to the cilia (a.k.a. tiny hairlike protrusions) on cells in your respiratory tract and ooze toxins, triggering inflammation and swelling.
    Erica Sloan, SELF, 13 Feb. 2025
  • Under such low pressure, the electric field causes positive ions generated from the residual gas in a tube to accelerate and bombard the cathode, creating sharp, nanometer-scale protrusions, which degrade and, ultimately, destroy it.
    Jin-Woo Han, IEEE Spectrum, 23 June 2014
Noun
  • By building calcium carbonate cups one on top of another and budding asexually, polyps collectively bulge, branch, ripple and fan out into diverse shapes, including shelves, boulders, pillars, branches and cauliflower-like nubs.
    Quanta Magazine, Quanta Magazine, 26 Feb. 2025
  • Everyone in the stadium expected the net to bulge as Palmer went for the curler but the ball actually went quite a few yards wide of the post.
    Simon Johnson, The Athletic, 22 Feb. 2025
Noun
  • The comment section of the post was filled with fans lusting after Nikko.
    Stephanie Wenger, People.com, 27 Feb. 2025
  • Included in the Wednesday announcement was the news that David Shipley, the Opinion section editor, had resigned from his role.
    Liam Reilly, CNN, 27 Feb. 2025
Noun
  • The balustrade at the far end affords one of the great panoramas of the Eternal City, with the dome of St. Peter’s etched on the horizon.
    The New York Times, San Diego Union-Tribune, 2 Mar. 2025
  • Use the dome light and flashers to make your vehicle more noticeable.
    CA Weather Bot, Sacramento Bee, 2 Mar. 2025
Noun
  • When the loss function has a convenient mathematical property called convexity, this procedure is guaranteed to find the optimal solution.
    Zachary C. Lipton, IEEE Spectrum, 26 Jan. 2016
  • 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
  • Garrett McNamara is the center of the story, a pioneering big-wave surfer who searches the world for monster swells and discovered what’s become one of the most fearsome surfing breaks in the world, in the unlikely place of Nazaré, Portugal.
    Lisa Wong Macabasco, Vogue, 7 Mar. 2025
  • Typically, however, Oscars winners are given about 45 seconds to speak before a signature swell of music begins to play, encouraging them to wrap up and make their way off the stage.
    Kyla Guilfoil, NBC News, 3 Mar. 2025
Noun
  • Analysts still cautious Analysts noted that between Celsius and Alani, the combined brands will attract greater share of female energy drink consumers, but that the decline in Celsius’ sales growth over the past year remains remains a stock overhang.
    Pia Singh, CNBC, 21 Feb. 2025
  • Outdoor space: Directly behind the house, off the kitchen and mudroom, is a paved patio shaded by a roof overhang, with plenty of space for a dining and grilling.
    Angela Serratore, New York Times, 19 Feb. 2025

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Cite this Entry

“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 13 Mar. 2025.

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