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 Tiny projections stick out from the stalk, and the crooked tip has structures called a conical protuberance, a globular head and a rugged flap. Katie Cottingham, Smithsonian Magazine, 9 Sep. 2024 These extreme eruptions on the sun, if large enough, may be visible as tiny pink protuberances peaking around the edge of the moon. Dean Regas, The Enquirer, 7 Apr. 2024 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 See All Example Sentences for protuberance
Recent Examples of Synonyms for protuberance
Noun
  • But fiscal hawks are less enthusiastic about the tax cuts because of the debt projections.
    W. James Antle III, The Washington Examiner, 3 June 2025
  • However, with revenue projections for the budget year that begins July 1 dimming in the months since the governor made his proposal, legislators approved some new ideas to bring in more money, including changes that would allow Illinois to tax offshore and out-of-state corporate profits.
    Dan Petrella, Chicago Tribune, 1 June 2025
Noun
  • The slow-moving creatures, — distinguished by the thorn-like protrusions that cover their bodies — are found up to 3,600 feet below the surface of the ocean.
    Brendan Rascius, Miami Herald, 25 Mar. 2025
  • Gone are most of the toggle switches (and the little safety protrusions that accompanied them) on the dashboard, with the exception of one for changing between drive, reverse, and neutral, plus another to switch between drive modes.
    ArsTechnica, ArsTechnica, 10 Apr. 2025
Noun
  • Aurora is typically seen in polar regions at around latitudes of 70 degrees north and south, but during strong geomagnetic conditions the auroral oval can bulge, with displays then seen as far as 40 degrees north and south.
    Jamie Carter, Forbes.com, 18 May 2025
  • Coping with Mood Swings and Anxiety But can these drugs really help shrink the hormonal belly bulge?
    Lauryn Higgins, Flow Space, 15 May 2025
Noun
  • For Burns Harbor, funding the trail sections has been challenging.
    Doug Ross, Chicago Tribune, 2 June 2025
  • In the surreal fictional section, estranged friends reconnect on Christmas and rehash the past while questioning whether a foreboding bloodlike substance leaking out into the hallway is real.
    Jasmine Vojdani, Vulture, 2 June 2025
Noun
  • The objective is to study the composition and origin of the domes and surroundings.
    Richard Tribou, The Orlando Sentinel, 3 June 2025
  • Cone, empire, and dome pendants, like the Laroche Steel Dimmable Pendant, often feature opaque metal or fabric shades that direct light downwards, making this type the optimal choice for task lighting.
    Maria Conti, Better Homes & Gardens, 3 June 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
  • As the number of A-list fans of the all-conquering kids hit swells, Inglourious Basterds star Diane Kruger has been recruited to narrate a version of Bluey Book Reads that will be read in German for the first time.
    Max Goldbart, Deadline, 27 May 2025
  • But on this overcast summer day, only a couple dozen people bob on their surfboards, waiting for the perfect swell.
    Liz Baker, NPR, 25 May 2025
Noun
  • Line bottom and sides of pan with parchment paper, leaving a 2-inch overhang on all sides; set aside.
    Alana Al-Hatlani, Southern Living, 11 May 2025
  • The fish was spotted out in the open as opposed to inside a cave or under an overhang, which have long been considered hiding spots for the species, researchers said.
    Anthony Robledo, USA Today, 7 May 2025

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Cite this Entry

“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 10 Jun. 2025.

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