marsh

noun

ˈmärsh 

often attributive

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

Synonyms

• wetland
• swamp

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

Environmental groups successfully lobbied for the closing of the Mississippi River Gulf Outlet in 2009, launched barrier island rebuilds, and restored thousands of acres of marsh. —Meghan Overdeep, Southern Living, 28 Aug. 2025

And like another great public land whitetail hunter, Dan Infalt, Simpson loves to target cattail marshes and wetlands. —Alex Robinson, Outdoor Life, 27 Aug. 2025

Later that day, Kirkpatrick confirmed that the United Cajun Navy's drone located his remains about 200 yards into the marsh, not far from where he was reported missing, according to FOX affiliate WVUE. —Jillian Frankel, People.com, 27 Aug. 2025

If the workers miss the end-of-day collection window, these premium crystals sink and join the coarser and more abundant gros sel on the bottom of the marsh. —Elizabeth Karmel, Forbes.com, 25 Aug. 2025

Word History

Etymology

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

First Known Use

before the 12th century, in the meaning defined above

Phrases Containing marsh

• marsh elder
• marsh gas
• marsh hawk
• marsh hen
• marsh mallow
• marsh marigold
• marsh pink
• salt marsh

Rhymes for marsh

• harsh

Kids Definition

marsh

noun

ˈmärsh 

: an area of soft wet land usually overgrown by grasses and sedges

marshy

ˈmär-shē

adjective

Biographical Definition

Marsh

biographical name

ˈmärsh 

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