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 This beast looks like a young girl (surely not a coincidence, symbolically speaking), with antler-like protrusions. Noel Murray, New York Times, 14 Apr. 2025 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 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 See All Example Sentences for protrusion
Recent Examples of Synonyms for protrusion
Noun
  • Their current 53-38 record is in the bank, however, and most projection methods give them an 80%+ chance to make the postseason.
    Tony Blengino, Forbes.com, 9 July 2025
  • The maximum projection surface is 4 meters and all the controls are done by three simple buttons on the base of the projector.
    Alexander Cox, Space.com, 8 July 2025
Noun
  • Violet-blue protuberances are surrounded by what look like thorns but are actually soft, if jagged, flower parts.
    Joshua Siskin, Orange County Register, 14 Mar. 2025
  • By flying drones over a remote stretch of the Canadian Arctic, scientists were able to capture unique footage of narwhals, shedding light on the function of their famed protuberances, according to a study published Feb. 27 in Frontiers in Marine Science.
    Brendan Rascius, Miami Herald, 4 Mar. 2025
Noun
  • The moon's gravity pulls on Earth's oceans, creating tidal bulges that act like a brake.
    Daisy Dobrijevic, Space.com, 10 July 2025
  • Inexperienced American troops holding the front buckled, creating a bulge in the line, thus giving the ensuing battle its name.
    Noah Hawley, The Atlantic, 2 July 2025
Noun
  • Fortunately, Free People’s sale section is bursting at the seams right now — featuring longline shorts made for pairing with cowboy boots, oversized crewnecks you’ll be tempted to throw on over your bikini once the sun goes down, and similar seasonal essentials.
    Stacia Datskovska, Footwear News, 9 July 2025
  • Best Amazon Prime Day Comfortable Shoe Deals Amazon’s sale shoe section is chock-full of top brands.
    Genevieve Cepeda, Travel + Leisure, 9 July 2025
Noun
  • The growing dangers of heat waves can already be seen this summer, the researchers noted, pointing to the late June heat dome that settled over the Eastern U.S. and set new daily heat records in at least 50 cities, according to the National Oceanic and Atmospheric Administration.
    Los Angeles Times, Los Angeles Times, 10 July 2025
  • Lessons from the 2021 heat dome The 2021 heat wave was a catalyzing event for the community.
    Brian G. Henning, The Conversation, 9 July 2025
Noun
  • Several large rocks and boulders plunged from the overhang at the top of a popular Utah waterfall — and just barely missed a family swimming below, video shows.
    Brooke Baitinger, Sacbee.com, 26 June 2025
  • Using a paring knife, trim the edges all the way around to a 1-inch overhang.
    Ellen Gray, Saveur, 15 May 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
  • In both groups, the outer portion of the brain, called the cortex, also had a larger surface area on average, with more folds and grooves.
    Maia Szalavitz, Scientific American, 7 July 2025
  • The Council of Economic Advisers, an agency within the presidential executive office, estimates that changes in the legislation will help push the portion of seniors with exemptions and deductions exceeding Social Security income to 88%, from 64% under current law.
    Lorie Konish, CNBC, 7 July 2025

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Cite this Entry

“Protrusion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protrusion. Accessed 19 Jul. 2025.

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