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Synonyms

sludgy

American  
[sluhj-ee] / ˈslʌdʒ i /

adjective

sludgier, sludgiest
  1. of or relating to sludge.

  2. covered, lined with, or containing sludge.


sludgy British  
/ ˈslʌdʒɪ /

adjective

  1. consisting of, containing, or like sludge

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sludgy

First recorded in 1775–85; sludge + -y 1


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.

See Examples For:

That project is part of a trio of proposed pipelines that aim to deliver heavy oil from western Canada to Gulf Coast refineries able to process the sludgy crude.

From The Wall Street Journal ● Aug. 21, 2026

Growth is predicted to be still sludgy for years, slower than expected all the way up until 2030.

From BBC ● Nov. 29, 2025

Osbourne stretches the bit about as far as it can go as Iommi cranks out the sludgy lick that would later be sampled prominently by the Beastie Boys in their “Rhymin & Stealin.”

From Los Angeles Times ● Jul. 22, 2025

Cook over low heat under sludgy and thick; the cherries will have given up their juices.

From Salon ● May 6, 2025

Gingersnipes emerged with a long, flat stick, and they set sail across the sludgy pond.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

Here, though, the number was Mr. LeBlanc’s alone, and he gave in to his sludgier impulses, his voice oozing awkwardly around the lyrics, compressing them into unintelligibility.

From New York Times ● Jul. 23, 2010

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