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Definition of scum

scum

/skʌm/
scum

Adverb:scummily
•
Plural:scums
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Adjective:scummy
•
Past Simple:scummed
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Past Participle:scummed
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Present Participle:scumming
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scum Lexical Profile

scum Game Scores & Validity

• noun

1

A thin layer of impurities, froth, algae, or residue that forms on the surface of a liquid or on hard surfaces exposed to soapy water.

Example

"The chef carefully skimmed the grayish scum off the top of the simmering beef broth."


2

A worthless, contemptible, or morally despicable person or group of people.

Example

"The judge condemned the fraudsters who preyed on elderly pensioners as the lowest of the low and utter scum."

Synonyms
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• verb

1

To remove the layer of froth, impurities, or film from the surface of a liquid.

Example

"You must scum the boiling sugar syrup repeatedly to ensure the finished jelly remains crystal clear."


2

To become covered with or form a layer of scum on the surface.

Example

"The stagnant water in the garden pond quickly scummed over during the hot summer months."

Synonyms
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• Rhymes for scum

Word Origin & Etymology

Borrowed in Middle English from Middle Dutch 'schuum' or Middle Low German 'schum' (meaning foam or froth), from Proto-Germanic *skūmą, making it cognate with German 'Schaum' and related to the French loanword 'écume'.

Cite this Entry


Wordmom. (2026). Definition of Scum. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/scum
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