marsh

noun

ˈmärsh 

often attributive

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

Synonyms of marsh

• 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

Before the healing process was complete, however, Scotty died in what scientists believe was a salty marsh. — Muskan Bhatia, Interesting Engineering, 16 Oct. 2026

In Cusk’s first novel after the blockbuster Outline trilogy, a woman invites an artist to stay at her home on a marsh, and things unravel from there. — Literary Hub, 15 Oct. 2026

Coastal development can also prevent marshes from migrating inland as tides rise, resulting in habitat loss. — Lydia Mansel, Travel + Leisure, 14 Oct. 2026

Flores owns a private island in Louisiana’s marshes called Little Pecan. — Rachel Nostrant, Houston Chronicle, 30 Sep. 2026

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