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sludge Synonyms

Another word for sludge

Choosing another word for sludge depends on context, so the 15 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• noun (Context 1)

Thick, soft, wet mud or a similar viscous mixture of liquid and solid components, especially the sediment produced by sewage treatment or industrial processes.

Usage Example

"Workers spent the morning clearing thick industrial ooze from the bottom of the drainage tank."

Strong
ooze
muck
mud
mire
slime
silt
slush
sediment
gunk

• noun (Context 2)

Loose, broken, or partially melted ice floating on the surface of a sea or river.

Usage Example

"The research vessel slowed down as it encountered dense patches of freezing slush near the coastline."

Strong
slush
brash

• verb (Context 3)

To walk, move, or flow heavily and slowly through or as if through thick mud.

Usage Example

"After the torrential downpour, the hikers sludged wearily along the flooded trail."

Strong
slosh
trudge
squelch
plod
wade

• Nearby Words

slowly
slowness
slowpoke
sludge
sludgy
slug
slugfest

Cite this Entry

Wordmom. (2026). Synonyms for Sludge. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/sludge
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