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 Some have fingers, horns, and other protrusions appended to their bodies. Douglas Markowitz, Miami Herald, 3 June 2025 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 See All Example Sentences for protrusion
Recent Examples of Synonyms for protrusion
Noun
  • Sensitive information to avoid sharing with public AI tools: Financial reports or projections Customer lists or contact information HR records, legal documents or strategy memos For many organizations, AI concerns go beyond productivity.
    Caroline Castrillon, Forbes.com, 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
  • 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
  • With a central bulge consisting of yellow stars resembling the slightly off-center yolk of an egg fried sunny-side up, NGC 2276 is yet another example of an asymmetric galaxy.
    Katie Liu, Discover Magazine, 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 objective is to study the composition and origin of the domes and surroundings.
    Richard Tribou, The Orlando Sentinel, 15 Aug. 2025
  • Listen to this week’s episode to learn how ancient Persians built ice-making domes in the desert and why thin, tasty waffles may have saved Britain from ice cream extinction.
    Popular Science Team, Popular Science, 13 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
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
  • This isn’t just some rustic detour on the Euro portion of this wine road trip.
    John Noakes, Hartford Courant, 12 Aug. 2025
  • The Bronco Fire was burning on the eastern portion of the San Carlos Apache Indian Reservation.
    Julie Mendes, AZCentral.com, 12 Aug. 2025

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Cite this Entry

“Protrusion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protrusion. Accessed 20 Aug. 2025.

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