2
: a muddy or slushy mass, deposit, or sediment: such as
a
: precipitated solid matter produced by water and sewage treatment processes
b
: muddy sediment in a steam boiler
c
: a precipitate or settling (such as a mixture of impurities and acid) from a mineral oil
3
Examples of sludge in a Sentence
after a day of heavy rain, the fairgrounds had turned into pure sludge
I can't bring myself to read that sludge.
Recent Examples on the Web
Aniston appeared stunned as the sludge dripped to the floor and spackled the extras surrounding her.
—
Ryan Coleman, EW.com, 30 July 2024
As part of the cleanup of the Portland Harbor Superfund Site, Pacific Power is removing its power cables from the sludge at the bottom of the Willamette River between the Broadway and Fremont bridges.
—Joseph Gallivan, Axios, 19 July 2024
If paint is washed down the drain, the plastics can clog a septic system, add to sludge in a community sewer system or wind up in rivers and eventually the ocean as microplastics.
—Jeanne Huber, Washington Post, 5 July 2024
Another, Roux, turns recipes into collectible NFTs to help chefs and food bloggers monetize their creations without having to plaster recipe webpages with ads and SEO sludge.
—Joel Khalili, WIRED, 3 July 2024
See all Example Sentences for sludge 
Ryan Coleman, EW.com, 30 July 2024
As part of the cleanup of the Portland Harbor Superfund Site, Pacific Power is removing its power cables from the sludge at the bottom of the Willamette River between the Broadway and Fremont bridges.
—Joseph Gallivan, Axios, 19 July 2024
If paint is washed down the drain, the plastics can clog a septic system, add to sludge in a community sewer system or wind up in rivers and eventually the ocean as microplastics.
—Jeanne Huber, Washington Post, 5 July 2024
Another, Roux, turns recipes into collectible NFTs to help chefs and food bloggers monetize their creations without having to plaster recipe webpages with ads and SEO sludge.
—Joel Khalili, WIRED, 3 July 2024
See all Example Sentences for sludge
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sludge.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near sludge
Cite this Entry
“Sludge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sludge. Accessed 19 Aug. 2024.
Copy CitationKids Definition
Medical Definition
sludge
1 of 2 noun
: a semisolid precipitated mass or deposit
biliary sludge
especially
: sludged blood
sludge
2 of 2 intransitive verb
sludged; sludging
: to form sludge
positions that cause blood to sludge—L. K. Altman
L. K. AltmanLove words? Need even more definitions?
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