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
-
Hovering blue flames that flicker over bogs and marshes have inspired ghostly folktales for centuries.—
Mindy Weisberger,
CNN Money,
8 Oct. 2025
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Coastal cities have spent the centuries reclaiming land by filling in marshes.—
Sarah Botstein,
The Atlantic,
8 Oct. 2025
Noun
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Nataliia made a pastry swan to celebrate her grandparents, whose surname translates to the name of a wetland bird.—
Brian Moylan,
Vulture,
10 Oct. 2025
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These solitary, hulking creatures are protected by conservation efforts, and to see them among the wetlands and grasses is a spell-binding experience.—
Marion Miller,
Travel + Leisure,
10 Oct. 2025
Noun
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And while the experiments show the presence of microlightning between bubbles, the glow was not reproduced at a level that would be seen in a swamp.—
Mindy Weisberger,
CNN Money,
8 Oct. 2025
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The Shepman's swamp chestnut oak stands at 95 feet in height with a 318-inch circumference and a canopy spread of 118 feet.—
John Tufts,
IndyStar,
3 Oct. 2025
Cite this Entry
“Fen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fen. Accessed 14 Oct. 2025.
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