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
  • Their own intimacy defines the relationship, not the projections online.
    Nicole Fallert, USA Today, 14 Aug. 2025
  • Personal loyalty is one aspect of Yermak’s character and power projection that all officials who spoke to Fox News Digital confirmed was most important.
    Chris Massaro, FOXNews.com, 14 Aug. 2025
Noun
  • Hernias are protrusions of internal organs through the muscle wall that may require surgery for repair.
    Cristina Mutchler, Health, 18 July 2025
  • 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
Noun
  • While this may impact reports that the bulge was battery-related, this latest rumor could offer a big camera upgrade, and an 8x optical zoom equivalent would be a first.
    David Phelan, Forbes.com, 31 July 2025
  • When the moon is right over the equator, the tidal bulges are, too, and therefore their mass is farther away from the planet’s spin axis; when the moon is the farthest north or south, the bulges move away from the equator, slightly closer to the planet’s spin axis.
    Meghan Bartels, Scientific American, 31 July 2025
Noun
  • Sheriff’s deputies responded just before 10 p.m. Wednesday to a ShotSpotter alert activation near 42nd Street and Apostolo Circle in the Lemon Hill section of south Sacramento where the 14-year-old boy had been shot in the face, authorities said.
    Jake Goodrick, Sacbee.com, 14 Aug. 2025
  • The bacteria was in water in a small section of the city water system near Monroe Fire Department Station 4 at 3907 Old Charlotte Highway, the city news release said.
    Charlotte Observer, Charlotte Observer, 14 Aug. 2025
Noun
  • The drawings show a north façade that is mostly contextual (Federal-repro porticoes) and a south front that is less so (topped with Victorian domes of vaguely mansard form).
    Christopher Bonanos, Curbed, 1 Aug. 2025
  • Where granite meets brush or grassy terrain — especially around the base of the dome and along the Echo Canyon Trail — snake activity tends to increase.
    Brandi D. Addison, Austin American Statesman, 31 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
  • The swells also are producing fast-moving currents beneath the county’s public piers.
    Gary Robbins, San Diego Union-Tribune, 12 Aug. 2025
  • One more beer, condensation rolling down the can in the lazy swell of this fine summer afternoon.
    Kristen Arnett August 7, Literary Hub, 7 Aug. 2025
Noun
  • But surprisingly, the overall length actually shrinks by 7.1 inches (181 mm) due to to shorter overhangs ahead of and behind the tires.
    ArsTechnica, ArsTechnica, 5 Aug. 2025
  • The erosion-scarred sandstone bends and buckles in places forming unique overhangs, ledges and curving tunnels.
    Roger Naylor, AZCentral.com, 1 Aug. 2025

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Cite this Entry

“Protuberance.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protuberance. Accessed 19 Aug. 2025.

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