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
However, trade classification is not the only contributor to trade sludge.
—
Steve Banker, Forbes.com, 11 Apr. 2025
Pacific Palisades experienced a major intersection submerged in three feet of sludge, and roads near the Eaton Fire burn scar were overtaken by several feet of mud, trees, and vegetation.
—David Faris, MSNBC Newsweek, 11 Apr. 2025
Hazel can pull, push, and even infiltrate the minds of the opposing spirits using her abilities, dodging and diving to avoid rogue slashes or a demonic helping of sludge.
—Sarah Thwaites, Rolling Stone, 3 Apr. 2025
In the 1980s, the Environmental Protection Agency cited the GSD for the pumping of toxic sludge laced with PCBs into a small lagoon in violation of the Clean Water Act.
—Carole Carlson, Chicago Tribune, 22 Mar. 2025
See All Example Sentences for sludge
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Steve Banker, Forbes.com, 11 Apr. 2025
Pacific Palisades experienced a major intersection submerged in three feet of sludge, and roads near the Eaton Fire burn scar were overtaken by several feet of mud, trees, and vegetation.
—David Faris, MSNBC Newsweek, 11 Apr. 2025
Hazel can pull, push, and even infiltrate the minds of the opposing spirits using her abilities, dodging and diving to avoid rogue slashes or a demonic helping of sludge.
—Sarah Thwaites, Rolling Stone, 3 Apr. 2025
In the 1980s, the Environmental Protection Agency cited the GSD for the pumping of toxic sludge laced with PCBs into a small lagoon in violation of the Clean Water Act.
—Carole Carlson, Chicago Tribune, 22 Mar. 2025
See All Example Sentences for sludge
Cite this Entry
“Sludge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sludge. Accessed 29 May. 2025.
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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