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 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 Gone are most of the toggle switches (and the little safety protrusions that accompanied them) on the dashboard, with the exception of one for changing between drive, reverse, and neutral, plus another to switch between drive modes. ArsTechnica, 10 Apr. 2025 The sea cucumber is also covered with tentacles and papillae, or fleshy protrusions, according to the study. Irene Wright, Miami Herald, 14 Mar. 2025 With a slight protrusion at the waist, which was created by shoulder pad placements, Wang said the look was meant to better frame and sculpt the female shape. Tianwei Zhang, Footwear News, 1 Apr. 2025 See All Example Sentences for protrusion
Recent Examples of Synonyms for protrusion
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
  • 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
  • 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
  • Yet despite requests from the leaders of Germany and of Poland to be granted shelter under the French and British shields, neither nuclear power has so far formally approved extending its atomic dome.
    Kevin Holden Platt, Forbes.com, 30 June 2025
  • The objective is to study the composition and origin of the domes and surroundings.
    Richard Tribou, The Orlando Sentinel, 29 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
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
  • That involves both the Medicaid portion of the bill as well as the state and local tax deduction, which remain in flux.
    Burgess Everett, semafor.com, 25 June 2025
  • The Highlands Community Charter Schools’ student population in Sacramento serves a large portion Afghan refugees who do not speak English.
    Ishani Desai, Sacbee.com, 25 June 2025

Browse Nearby Words

Cite this Entry

“Protrusion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protrusion. Accessed 3 Jul. 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!