as in marsh
spongy land saturated or partially covered with water
a day spent trudging through the fens in quest of game birds
Synonyms & Similar Words
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Example Sentences
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Recent Examples of fen
The goal was to help preserve and protect the delicate valley and its fens.
—
John Meyer, Denver Post, 25 Aug. 2025
Out in the wild, the queen-of-the-prairie grows in moist black soil prairies and meadows, fens, seeps and springs.
—Sheryl Devore, Chicago Tribune, 8 July 2025
Saving a satyr The property features a peat-bearing wetland called a fen, and the Mitchell’s satyr is only found in these rare habitats that take thousands of years to develop.
—Karl Schneider, The Indianapolis Star, 31 Dec. 2024
Earth’s earliest wildfires may have been fitful and erratic, flickering among the amphibious flora of fens and bogs.
—Ferris Jabr, The Atlantic, 25 June 2024
They can be found on all continents and are classified into bogs, fens and swamps.
—Sonja Anderson, Smithsonian Magazine, 25 Mar. 2024
But after decades of habitat destruction, these handsome insects are now fragmented and locally extinct, holding out in the wettest fens, valleys, and peat bogs of the New Forest and Dorset.
—Matthew Ponsford, WIRED, 19 Mar. 2024
John Meyer, Denver Post, 25 Aug. 2025
Out in the wild, the queen-of-the-prairie grows in moist black soil prairies and meadows, fens, seeps and springs.
—Sheryl Devore, Chicago Tribune, 8 July 2025
Saving a satyr The property features a peat-bearing wetland called a fen, and the Mitchell’s satyr is only found in these rare habitats that take thousands of years to develop.
—Karl Schneider, The Indianapolis Star, 31 Dec. 2024
Earth’s earliest wildfires may have been fitful and erratic, flickering among the amphibious flora of fens and bogs.
—Ferris Jabr, The Atlantic, 25 June 2024
They can be found on all continents and are classified into bogs, fens and swamps.
—Sonja Anderson, Smithsonian Magazine, 25 Mar. 2024
But after decades of habitat destruction, these handsome insects are now fragmented and locally extinct, holding out in the wettest fens, valleys, and peat bogs of the New Forest and Dorset.
—Matthew Ponsford, WIRED, 19 Mar. 2024
Recent Examples of Synonyms for fen
Noun
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Whatever the name, for centuries people have reported seeing these eerie, faint blue flames hovering over marshes, bogs and other wetlands.—
Rachel Nuwer,
Scientific American,
29 Sep. 2025
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Some of the terrain includes a waterfall, California live oak trees, sycamore trees, volcanic rocks, a freshwater marsh and locals such as Pacific tree frogs, mallard ducks, raccoons and coyotes.—
Carlos Rico,
San Diego Union-Tribune,
29 Sep. 2025
Noun
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The sanctuary's vast network of trails winds through forests, meadows, and wetlands, as well as up the slopes of Lenox Mountain.—
Lauren Dana Ellman,
Travel + Leisure,
27 Sep. 2025
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Another $61 million came from Measure AA, a $12-per home tax approved by voters in 2016 in all nine Bay Area counties for wetland restoration and flood control.—
Paul Rogers,
Mercury News,
26 Sep. 2025
Noun
-
Timm’s garden is a milkweed buffet with seven different kinds planted throughout, like swamp, ice ballet, cinderella, prairie, poke, common and butterfly milkweed.—
Caitlin Looby,
jsonline.com,
25 Sep. 2025
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For the first time in 10 years, researchers have discovered a new species of Xenurolebias killifish from an isolated swamp about 2 feet deep in eastern Brazil.—
Lauren Liebhaber
September 23,
Miami Herald,
23 Sep. 2025
Cite this Entry
“Fen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fen. Accessed 2 Oct. 2025.
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