as in mutualistic
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Recent Examples of commensal
This process called a commensal pathway in animal domestication occurs when the animal is attracted to human settlements, instead of humans actively trying to recruit the animals.
—
Laura Baisas, Popular Science, 11 June 2025
According to some biologists, this might show that these birds are on their way to becoming commensal with humans—benefiting from living closely alongside them—like pigeons have in urban areas.
—Jorge Garay, Wired News, 29 May 2025
Dreamtime by Simon Theuma This small, commensal shrimp almost appears to be swimming over a tapestry, but in reality, the technicolor backdrop is the body of a mosaic sea star.
—Carlyn Kranking, Smithsonian Magazine, 25 Jan. 2024
Science defines the rat’s relationship to humans as commensal: an association between two species in which one benefits and the other is neither helped nor harmed.
—WIRED, 7 Oct. 2023
In fact, it’s become clear that many of these commensal bacteria use the glycans studding mucin molecules as a primary source of energy.
—Diana Kwon, Discover Magazine, 9 July 2019
Laura Baisas, Popular Science, 11 June 2025
According to some biologists, this might show that these birds are on their way to becoming commensal with humans—benefiting from living closely alongside them—like pigeons have in urban areas.
—Jorge Garay, Wired News, 29 May 2025
Dreamtime by Simon Theuma This small, commensal shrimp almost appears to be swimming over a tapestry, but in reality, the technicolor backdrop is the body of a mosaic sea star.
—Carlyn Kranking, Smithsonian Magazine, 25 Jan. 2024
Science defines the rat’s relationship to humans as commensal: an association between two species in which one benefits and the other is neither helped nor harmed.
—WIRED, 7 Oct. 2023
In fact, it’s become clear that many of these commensal bacteria use the glycans studding mucin molecules as a primary source of energy.
—Diana Kwon, Discover Magazine, 9 July 2019
Recent Examples of Synonyms for commensal
Adjective
-
Reciprocity sustains mutualistic exchange.—
Scott Hutcheson,
Forbes.com,
3 Sep. 2025
Adjective
-
There’s a symbiotic relationship between the two worlds of public relations and journalism.—
Joe Dwinell,
Boston Herald,
17 Feb. 2026
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Interestingly, one of Mather’s colleagues at URI, disease ecologist Janelle Couret, has looked at how Lyme bacteria may actually help ticks withstand the heat, a type of symbiotic relationship that she’s seen in insects.—
Alex Kuffner,
The Providence Journal,
12 Feb. 2026
Adjective
-
Thrift stores typically stock what’s been donated locally, so the inventory is entirely dependent on what people happen to drop off.—
Marisa Suzanne Martin,
The Spruce,
21 Feb. 2026
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Again, critics say the company’s decision to operate a service that is dependent on plastic bags and requires extensive transport undermines their environmental bona fides.—
Los Angeles Times,
Los Angeles Times,
21 Feb. 2026
Cite this Entry
“Commensal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/commensal. Accessed 22 Feb. 2026.
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