noun, often attributive
\ ˈmärsh \

Definition of marsh 

(Entry 1 of 2)

: a tract of soft wet land usually characterized by monocotyledons (such as grasses or cattails)


biographical name
\ ˈmärsh \

Definition of Marsh (Entry 2 of 2)

Dame (Edith) Ngaio \ˈnī-(ˌ)ō \ 1899–1982 New Zealand writer

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Synonyms for marsh

Synonyms: Noun

bog, fen, marshland, mire, moor, morass, muskeg, slough (also slew), swamp, swampland, wash, wetland

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Examples of marsh in a Sentence


a wide expanse of marsh the marshes along the coast support a remarkable profusion of plants and animals

Recent Examples on the Web: Noun

David Sommers, 62, of Levittown, poached diamondback terrapins and their eggs from coastal marshes in New Jersey and then sold them, according to the U.S. Attorney’s Office for the Eastern District of Pennsylvania. Michael Boren,, "Bucks man indicted for smuggling turtles," 10 July 2018 Although the Gary and Hammond fire departments arrived as quickly as possible, the only source of water were nearby shallow marshes. Lorraine Boissoneault, Smithsonian, "The Hammond Train Wreck of 1918 Killed Scores of Circus Performers," 22 June 2018 The state's 2012 coastal master plan estimated that 80 percent of Louisiana coastal marsh is privately owned. Sara Sneath,, "As Louisiana's coast washes away, state cashing in on disputed oil and gas rights," 31 May 2018 They were first discovered in a private duck-hunting marsh near Gustine in Merced County last year. Ryan Sabalow, sacbee, "Destructive swamp rodents are knocking on the Delta's door. Is it time to panic? | The Sacramento Bee," 17 Apr. 2018 While Faust is not sure if this is entirely intentional, this species of firefly has evolved to live almost exclusively around ponds and marshes. Katherine J. Wu, Smithsonian, "Why Bioluminescence Evolved to Be Red Light, and Blue," 26 June 2018 Combined, Frey and I have been fishing the marshes of South Louisiana for nearly a century, and neither of us has seen redfish action like this. Todd Masson,, "Ridiculous redfish action right now," 24 May 2018 Hike and paddle through unadulterated trails and tidal marshes amid hundreds of coastal bird species at the 27,000-acre estuarine waterfowl sanctuary, Blackwater Wildlife Refuge ( Stephanie Citron,, "Can’t-miss detours along Maryland's Eastern Shore to explore on your beach trip this summer," 8 May 2018 The last, eastward leg of our drive to the island, across a great marsh, made for a spectacular introduction. Jenna Russell,, "There is magic in those Jekyll Island oaks," 21 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'marsh.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of marsh


before the 12th century, in the meaning defined above

History and Etymology for marsh


Middle English mersh, from Old English merisc, mersc; akin to Middle Dutch mersch marsh, Old English mere sea, pool — more at marine

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Statistics for marsh

Last Updated

16 Sep 2018

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Time Traveler for marsh

The first known use of marsh was before the 12th century

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More Definitions for marsh



English Language Learners Definition of marsh

: an area of soft, wet land that has many grasses and other plants


\ ˈmärsh \

Kids Definition of marsh

: an area of soft wet land with grasses and related plants

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Comments on marsh

What made you want to look up marsh? Please tell us where you read or heard it (including the quote, if possible).


alleviating pain or harshness

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