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Definitions

sludge

[sluhj] / slʌdʒ /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If anything, after a few days spent dipping my T. rex hands into the cool primordial sludge of the dinosaur fandom, Panella’s sentiment feels like an understatement.

From Salon • Apr. 12, 2026

They frequently appear in wastewater and can end up in biosolid fertilizer, also called sewage sludge, which is produced during wastewater treatment.

From Science Daily • Apr. 11, 2026

She said the chemicals leak out from manufacturing, washing our clothes or products with PFAS, as well as from the spread of waste sludge from water treatment works onto agricultural fields.

From BBC • Feb. 2, 2026

The book, co-authored by the brand’s founder, is a pointed history of commercial pet food that leaves the reader uneasy that their dog might be consuming toxic sludge.

From The Wall Street Journal • Jan. 28, 2026

The protein sludge floated free in the container.

From "The Martian" by Andy Weir




Vocabulary lists containing sludge