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
  • This projection makes its current trailing P/E ratio of 62 appear justifiable, particularly if the company can achieve those targets.
    Trefis Team, Forbes.com, 27 June 2025
  • Some estimates put the racing movie’s launch at around $50 million to $60 million, but some projections are softer at $35 million to $40 million.
    Jordan Moreau, Variety, 27 June 2025
Noun
  • There are two pairs of barbels, or the fleshy, whisker-like protrusions found on some fish, on the new species’ face, according to the study.
    Irene Wright, Miami Herald, 28 Feb. 2025
  • Models wore giant gloves made of claws or featured grotesque protrusions.
    Gemma A. Williams, Forbes, 22 Feb. 2025
Noun
  • Earth is engaged in a constant gravitational tug of war with the moon and sun, which over time has created a bulge at our planet's equator, according to NASA.
    Anthony Wood, Space.com, 20 May 2025
  • An oval galaxy with weird spirals and a weird bulge in its middle?
    Jamie Carter, Forbes.com, 25 Apr. 2025
Noun
  • Three sections of the roof at Seabrook Brothers & Sons caved in around 1:30 p.m., NJ.com reported.
    Joseph Wilkinson, New York Daily News, 26 June 2025
  • His eyes dart over to a curtained section of the wall.
    Rachel Raposas, People.com, 26 June 2025
Noun
  • Try the look for summer in this short-sleeve version, which has golden dome buttons down the front and ribbed trim at the crew neckline, cuffs, and hem.
    Jamie Allison Sanders, People.com, 12 June 2025
  • The fourth century saw great innovations and achievements in Roman dome construction, but important uses for domes, like burial practices, were changing.
    Matthew Wills, JSTOR Daily, 12 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
  • Winds were at 30 knots, generating 6-foot to 8-foot swells.
    Theresa Braine, New York Daily News, 23 June 2025
  • To the right of the eye, life-threatening storm surge will produce coastal flooding, large waves, swells, and rip currents.
    Marshall Shepherd, Forbes.com, 19 June 2025
Noun
  • Line with parchment paper, leaving a 2-inch overhang on all sides.
    Marianne Williams, Southern Living, 20 June 2025
  • Line with plastic wrap, leaving a 3-inch overhang on all sides.
    Lynda Balslev, Mercury News, 18 June 2025

Browse Nearby Words

Cite this Entry

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

More from Merriam-Webster on protuberance

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!