slough 1 of 3

variants also slew or slue
as in marsh
spongy land saturated or partially covered with water the land for miles around the lake is strewn with ponds, sloughs, and mudflats

Synonyms & Similar Words

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slough

2 of 3

verb (1)

slough

3 of 3

verb (2)

variants also sluff
as in to shed
to cast (a natural bodily covering or appendage) aside the snake is sloughing its old skin

Synonyms & Similar Words

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How is the word slough different from other verbs like it?

Some common synonyms of slough are cast, discard, junk, scrap, and shed. While all these words mean "to get rid of," shed and slough imply a throwing off of something both useless and encumbering and often suggest a consequent renewal of vitality or luster.

shed a bad habit
finally sloughed off the depression

When is it sensible to use cast instead of slough?

The words cast and slough can be used in similar contexts, but cast, especially when used with off, away, or out, implies a forceful rejection or repudiation.

cast off her friends

When might discard be a better fit than slough?

The meanings of discard and slough largely overlap; however, discard implies the letting go or throwing away of something that has become useless or superfluous though often not intrinsically valueless.

discard old clothes

How do scrap and junk relate to one another, in the sense of slough?

Both scrap and junk imply throwing away or breaking up as worthless in existent form.

scrap all the old ways
would junk our educational system

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of slough
Noun
Currently Colombia’s security forces are facing their biggest threat since the 2016 peace deal with FARC rebels, fighting a slew of powerful armed groups tied to the narcotics trade. Alfie Pannell, Miami Herald, 20 Oct. 2025 Starters Blake Snell, Yoshinobu Yamamoto, Tyler Glasnow and Ohtani make up one of the most formidable playoff rotations in recent memory and their lineup with Ohtani at the top followed by stars like Mookie Betts, Freeman, Teoscar Hernandez and a slew of others. Kyle Feldscher, CNN Money, 18 Oct. 2025
Verb
The frame can hold up to 650 pounds, while the fabric sloughs away dirt, drizzle, even the occasional spill of wine. Francesca Krempa, Travel + Leisure, 8 Sep. 2025 The insects should gradually decline and the black coating begin to slough off. Tom MacCubbin, The Orlando Sentinel, 16 Aug. 2025 See All Example Sentences for slough
Recent Examples of Synonyms for slough
Noun
  • Spend some time adventuring on the island’s creeks and marshes via a kayak tour.
    Tara Massouleh McCay, Southern Living, 17 Oct. 2025
  • Among the greatest dangers faced in coastal marshes is sinking.
    Mark Price, Charlotte Observer, 17 Oct. 2025
Noun
  • Participants can learn about the preserve’s history as well as the aromatic plants, insects, birds and mammals that make their home in the wetlands.
    Anne Gelhaus, Mercury News, 19 Oct. 2025
  • The Rhodes' wetland restoration is scheduled for completion in spring 2026.
    Chelsea Torres, FOXNews.com, 18 Oct. 2025

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Cite this Entry

“Slough.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/slough. Accessed 23 Oct. 2025.

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