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
  • That’s despite a projection of 92.9 wins — just a 33-29 record the rest of the way — while the World Series title odds dropped to 10.4% (from 10.6% last week).
    Ryan Ford, Freep.com, 22 July 2025
  • This suggests that while there is still hiring in some areas, corporate projections of new jobs have dropped.
    Erik Sherman, Forbes.com, 21 July 2025
Noun
  • Folks with acute back pain, disc issues (include herniations, bulgings, and protrusions), and hip labrum injuries, should check with a medical pro first before doing this move, Dr. Yu says.
    Jenny McCoy, SELF, 19 June 2025
  • Early revealed a protrusion of her right shoulder, a permanent disfigurement, caused by a collar bone that was broken on the hill.
    Don Riddell, CNN Money, 25 May 2025
Noun
  • Then there are tests for shape aesthetics that involve bow tie evaluation, outline symmetry, and bulges.
    Kyle Roderick, Forbes.com, 26 July 2025
  • Thurber is a half-inch shorter than Daddy, and his glasses bulge one eye way out like Grandpa’s spectacles did.
    John Updike, New Yorker, 11 July 2025
Noun
  • There was a concrete pipe that used to be part of the town’s sewage system, a section of a bridge that the stream had taken out, and the remains of the Heartbreak Hotel, a storied old apartment building, half of which washed into the river on the night of July 10th.
    John Seabrook, New Yorker, 21 July 2025
  • In the children’s section, each computer station was occupied by a child playing games on full volume.
    Alexandra DeSanctis, National Review, 21 July 2025
Noun
  • World Atlas recommends touring the bronze bell foundry, solar towers and concrete domes.
    Shelby Slade, AZCentral.com, 21 July 2025
  • The United States has entered the peak of summer and a new heat dome — sealing in all that hot, humid air — is about to make millions of people feel every bit of it.
    Mary Gilbert, CNN Money, 21 July 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
  • Before the swell of optimism, consumer sentiment had fallen to near its lowest level since a bout of inflation three years ago.
    Max Zahn, ABC News, 18 July 2025
  • Arsenal fans online seemed to be in unison against this potential signing, but there has since been a swell of support for Madueke.
    Art de Roché, New York Times, 10 July 2025
Noun
  • To position, try to get your feeders 5 feet high, 7 feet from structures, and 9 feet below overhangs.
    Parker Hall, Wired News, 11 July 2025
  • In 2023, a University of Kansas student fell from a rocky overhang into Avalanche Creek and was swept into the gorge.
    Addy Bink, The Hill, 10 July 2025

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Cite this Entry

“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 30 Jul. 2025.

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