sludge Definition in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “sludge” - English Dictionary

"sludge" in American English

See all translations

sludgenoun [U]

us   /slʌdʒ/
wet dirt, or any other thick, wet substance: The dirty water left a layer of sludge in the bottom of the pail.
(Definition of sludge from the Cambridge Academic Content Dictionary © Cambridge University Press)

(Definition of sludge from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “sludge”
in Spanish fango, lodo…
in Vietnamese bùn quánh…
in Malaysian selut…
in Thai โคลน…
in French boue…
in German der Schlamm…
in Chinese (Simplified) 烂泥,淤泥, 糊…
in Turkish katı/koyu çamur, balçık…
in Russian слякоть…
in Indonesian endapan…
in Chinese (Traditional) 爛泥,淤泥, 糊…
in Polish błoto, muł…
What is the pronunciation of sludge?
Add Cambridge dictionaries to your browser to your website
Avoiding common errors with the word enough.
Avoiding common errors with the word enough.
by ,
May 25, 2016
by Liz Walter Enough is a very common word, but it is easy to make mistakes with it. You need to be careful about its position in a sentence, and the prepositions or verb patterns that come after it. I’ll start with the position of enough in the sentence. When we use it with a noun,

Read More 

Word of the Day


Ultraviolet light has a wavelength that is after the violet (= light purple) end of the range of colours that can be seen by humans. Light of this type causes the skin to become darker in the sun.

Word of the Day

convo noun
convo noun
May 23, 2016
informal a conversation The convo around concussions mostly focuses on guys who play football, but Chastain thinks that this whole thing could be a headache for women too.

Read More