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Word of the Day Tuesday, June 9, 2026

sludge

/ˈslʌdʒ/ noun · British & US
Valid in UKValid in US
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What does sludge mean?

noun

A thick, heavy liquid or semi-solid substance, typically brown or greenish in color, formed from the breakdown of organic matter in water. In politics, a sludge refers to a situation where a government or institution is unable to make decisions or take action due to bureaucratic inefficiency or corruption.

Example

"The city's water treatment plant struggled to remove the sludge from the polluted river."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for sludge

Antonyms of sludge

Rhymes with sludge

Etymologically related