scum
7 synonyms for scum, grouped by meaning and by how common each one is.
Noun — A thin layer of dirt, foam, or other impurities that gathers on the surface of a liquid.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
How to use scum
The word patterns that sound natural to a native speaker.
pond scum
scum of the earth
The "despicable person" sense is a strong insult — quite vulgar and confrontational.
Etymology
From Middle English scum, related to Middle Dutch schume ("foam"); ultimately from a Germanic root meaning "froth" or "to cover." Related to "skim."
Full origin of scum →Frequently asked questions
What does “scum” mean?
The word “scum” means a thin layer of dirt, foam, or other impurities that gathers on the surface of a liquid. In plain terms, either the grimy film on top of a liquid, or (as an insult) a despicable person.
How do you pronounce “scum”?
“Scum” is pronounced skuhm (/skʌm/ in IPA).
How do you use “scum” in a sentence?
Here is “scum” used in a sentence: “Green scum had formed across the surface of the stagnant pond.”
What part of speech is “scum”?
“Scum” is a noun.
Where does the word “scum” come from?
The word “scum” comes from Middle English. From Middle English scum, related to Middle Dutch schume ("foam"); ultimately from a Germanic root meaning "froth" or "to cover." Related to "skim.".
Is “scum” a common word?
“Scum” is an uncommon word in modern English.
How many meanings does “scum” have?
“Scum” has 2 distinct senses listed in this dictionary. The most common is: a thin layer of dirt, foam, or other impurities that gathers on the surface of a liquid.
What is the difference between scum and slime?
Scum refers to a thin layer of dirt, foam, or other impurities that gathers on the surface of a liquid, while slime is a thick, slippery substance rather than a surface layer. Scum specifically describes something floating on top, such as on a pond.
Is calling someone "scum" offensive?
Yes, using "scum" to describe a person is a strongly insulting term meaning someone is thoroughly contemptible or worthless. It is considered harsh and informal, and inappropriate in polite or formal contexts.
What does "pond scum" refer to?
"Pond scum" refers literally to the layer of algae or impurities that forms on the surface of still water, using the literal sense of scum. It is also used figuratively as an insult for a despicable person.
