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
Earlier this year, the Missouri Legislature passed laws prohibiting the operation of three sludge lagoons in Newton, McDonald and Randolph counties.
—
Randal Seyler, arkansasonline.com, 19 Oct. 2024
Apart from album releases and tours, the rock supergroup Tomahawk and the NOLA sludge outfit Acid Bath are slated to be making reunions at Sick New World 2025.
—Quentin Thane Singer, Forbes, 15 Oct. 2024
Louisiana sludge metal outfit Acid Bath is also reuniting at Sick New World for their first performance since 1997.
—Spin Staff, SPIN, 15 Oct. 2024
Compared to traditional pumice stones, the compound—which includes waste from the marble industry—produces 90 percent less sludge, requires significantly less space and causes no damage compared to pumice stones.
—Angela Velasquez, Sourcing Journal, 9 Sep. 2024
See all Example Sentences for sludge 
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.
Randal Seyler, arkansasonline.com, 19 Oct. 2024
Apart from album releases and tours, the rock supergroup Tomahawk and the NOLA sludge outfit Acid Bath are slated to be making reunions at Sick New World 2025.
—Quentin Thane Singer, Forbes, 15 Oct. 2024
Louisiana sludge metal outfit Acid Bath is also reuniting at Sick New World for their first performance since 1997.
—Spin Staff, SPIN, 15 Oct. 2024
Compared to traditional pumice stones, the compound—which includes waste from the marble industry—produces 90 percent less sludge, requires significantly less space and causes no damage compared to pumice stones.
—Angela Velasquez, Sourcing Journal, 9 Sep. 2024
See all Example Sentences for sludge
Dictionary Entries Near sludge
Cite this Entry
“Sludge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sludge. Accessed 22 Nov. 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?
Merriam-Webster unabridged
Share