25
swamp(noun, flat, plain, wild, mess)
21
fen(noun, flat, plain, wild, mess)
20
quagmire(noun, flat, plain, wild, mess)
19
bog(noun, waste, wild, dry, void)
17
slough(noun, dry, swamp, bog, quagmire)
16
morass(noun, mess, dry, swamp, mud)
12
marshland(noun, flat, plain, wild, dry)
10
mire(noun, mess, dry, muddle, swamp)
8
moor(noun, waste, wild, void, barren)
8
quag(noun, dry, swamp, slough, bog)
8
swampland(noun, dry, swamp)
8
wash
5
moss(noun, swamp, mud, quagmire, swampland)
5
mud(noun, semiliquidity)
5
wetland(noun, dry, swamp, slough, bog)
4
boggy
4
fenland(noun, swamp, bog, quagmire, swampland)
4
glade
4
muskeg(noun, dry, swamp)
3
Eng
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APASmart Define. (2016). marsh thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/marsh/thesaurus/synonyms
ChicagoSmart Define. 2016. "marsh thesaurus" https://smartdefine.org/marsh/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, marsh thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/marsh/thesaurus/synonyms>.
MLASmart Define. "marsh thesaurus" 16 March 2016. Web. 20 September 2026. <https://smartdefine.org/marsh/thesaurus/synonyms>