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
After the sludge is treated in Fort Worth, it is sent to farms in Johnson, Hill and Wise counties.
—
Elizabeth Campbell, Fort Worth Star-Telegram, 18 Mar. 2025
Haigh confessed to the murders after forensic investigators confirmed the sludge found in his workshop contained human remains, according to The History Press.
—Sean Neumann, People.com, 9 Mar. 2025
The permitting process has sparked fighting in the Charlotte region over the years between farmers who say the sludge is a cost-effective fertilizer and residents concerned about the potential health and environmental impacts.
—Mary Ramsey, Charlotte Observer, 19 Feb. 2025
In the absence of federal legislation, some states have introduced legislation to ban farmers from using sewage sludge on their fields.
—Jen Christensen, CNN, 14 Jan. 2025
See All Example Sentences for sludge
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show current usage.
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Elizabeth Campbell, Fort Worth Star-Telegram, 18 Mar. 2025
Haigh confessed to the murders after forensic investigators confirmed the sludge found in his workshop contained human remains, according to The History Press.
—Sean Neumann, People.com, 9 Mar. 2025
The permitting process has sparked fighting in the Charlotte region over the years between farmers who say the sludge is a cost-effective fertilizer and residents concerned about the potential health and environmental impacts.
—Mary Ramsey, Charlotte Observer, 19 Feb. 2025
In the absence of federal legislation, some states have introduced legislation to ban farmers from using sewage sludge on their fields.
—Jen Christensen, CNN, 14 Jan. 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 31 Mar. 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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