Synonym Chooser

How is the word protrusion different from other nouns like it?

Some common synonyms of protrusion are bulge, projection, and protuberance. While all these words mean "an extension beyond the normal line or surface," protrusion suggests a thrusting out so that the extension seems a deformity.

the bizarre protrusions of a coral reef

When is it sensible to use bulge instead of protrusion?

The meanings of bulge and protrusion largely overlap; however, bulge suggests an expansion caused by internal pressure.

bulges in the tile floor

When is projection a more appropriate choice than protrusion?

The synonyms projection and protrusion are sometimes interchangeable, but projection implies a jutting out especially at a sharp angle.

those projections along the wall are safety hazards

When would protuberance be a good substitute for protrusion?

The words protuberance and protrusion can be used in similar contexts, but protuberance implies a growing or swelling out in rounded form.

a skin disease marked by warty protuberances

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 protrusion Improper footwear may cause or exacerbate bunions, protrusions of the big toe knuckles. Lauren Leffer, Popular Science, 20 Aug. 2025 Advertisement In other cases, however, the protrusions can affect the rabbits’ eyes and mouth, preventing them from being able to eat, drink, or see clearly. Angela Haupt, Time, 14 Aug. 2025 Education Images/Universal Images Group via Getty Images What To Know Locals have described the growths as scabby patches with black, toothpick-like or quill-like protrusions around the mouth and face of cottontail rabbits spotted in yards and parks in Fort Collins, according to the WFSB report. Jasmine Laws, MSNBC Newsweek, 14 Aug. 2025 Hernias are protrusions of internal organs through the muscle wall that may require surgery for repair. Cristina Mutchler, Health, 18 July 2025 See All Example Sentences for protrusion
Recent Examples of Synonyms for protrusion
Noun
  • Illinois is top 10 at KenPom (sixth), Bart Torvik (eighth) and EvanMiya (eighth), three highly respected analytical projection sites.
    Jim Root, New York Times, 3 Nov. 2025
  • The Athletic’s projection model gives the Hurricanes a 15% chance of making the 12-team field now after being projected to have a 97% chance of making it before the Louisville game.
    Jordan McPherson, Miami Herald, 3 Nov. 2025
Noun
  • In the far distance lies the Pacific Ocean, and beyond that, featureless protuberances labeled Japan, Russia and China.
    Matthew Carey, Deadline, 1 Sep. 2025
  • Above the central display is a ventilative protuberance sporting a pair of menacing ambient lights.
    Brett Berk, Robb Report, 19 Aug. 2025
Noun
  • Bieber responded by covering the bulge with a blanket, then sharing that people had, in fact, called her trans while trying to insult her physical appearance.
    Mathew Rodriguez, Them., 27 Oct. 2025
  • An aneurysm is a bulge in an artery in the brain.
    Sohaib Imtiaz, Health, 25 Oct. 2025
Noun
  • The novel’s composition is remarkable for the unusual way its eight sections tangentially revolve around the narrator, a West African man named Tunde.
    Literary Hub, Literary Hub, 3 Nov. 2025
  • The Russian presence appears to have alienated large sections of Mali’s population.
    Tim Lister, CNN Money, 2 Nov. 2025
Noun
  • The Pucci Palace in Florence, dating back to the fourteenth century, has extraordinary rooftop views of Brunelleschi’s cathedral dome.
    Big Think, Big Think, 5 Nov. 2025
  • The futuristic glass pyramids and stark white domes appear in stark contrast to the rugged Sonoran desert landscape and Catalina Mountains rising in the distance.
    Shaun McKinnon, AZCentral.com, 4 Nov. 2025
Noun
  • That enormous growth has drawn fresh political attention at a time when most countries are battling debt overhangs, making that capital look irresistible.
    Lee Ying Shan, CNBC, 4 Nov. 2025
  • So far, the team has successfully knitted small objects shaped like a C and a pyramid, showing that the machine can handle curves, layers, and overhangs with ease.
    Aamir Khollam, Interesting Engineering, 4 Nov. 2025
Noun
  • 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
  • Exploiting mispricing in the 21st century will depend more on understanding the convexity of outcomes not yet visible.
    Jeff Henriksen, Forbes, 4 Mar. 2021
Noun
  • Israel's Prime Minister Benjamin Netanyahu said a large portion of Iran's ballistic missile arsenal was destroyed during the first hours of the aerial attacks.
    MSNBC Newsweek, MSNBC Newsweek, 6 Nov. 2025
  • After battling two years of slowly deteriorating vision, Charton was able to claw back a small portion of her lost world.
    Jeffrey Kluger, Time, 6 Nov. 2025

Browse Nearby Words

Cite this Entry

“Protrusion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protrusion. Accessed 7 Nov. 2025.

More from Merriam-Webster on protrusion

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!