Thesaurus.com
Dictionary.com
Definitions

scum

[skuhm] / skʌm /
NOUN
superficial impurities, dirt
Synonyms
Antonyms




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:

In the 1940s, this process left a putrid scum so foul in Maine’s Androscoggin River that residents of Lewiston would vomit, and enterprising children would sell clothespins for clamping over noses.

From The Wall Street Journal ● Oct. 30, 2026

“This technology will help us find the Rebel scum and their hidden base on Hoth,” he said, referencing the ice planet in the Star Wars universe.

From Los Angeles Times ● Aug. 21, 2026

But not long after the job was complete, the paint began to visibly peel, and the gleaming waters promptly refilled with green pond scum.

From Barron's ● Jun. 21, 2026

On Tuesday, Daera advised people against bathing at Rea's Wood in Lough Neagh due to "the presence of a thick algal scum".

From BBC ● Jul. 17, 2024

Now it’s covered by a layer of green scum and overrun by bullfrogs.

From "Before We Were Free" by Julia Alvarez

When this occurs, blue-green algae can form blooms that discolour the water, or produce floating mats or scums on the water's surface.

From BBC ● Sep. 9, 2025

When this occurs, the algae can form blooms that discolour the water or produce floating mats or scums on the water’s surface.

From BBC ● Sep. 13, 2024

“You’re in the business of representing scums and trying to make as much money as long as there’s this lapse in the law.”

From Time ● Aug. 6, 2014

The commonest of these pond scums belong to the genus Spirogyra, and one of these will illustrate the characteristics of the order.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

In their reproduction they closely resemble the pond scums.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

A thick mist scummed the windshields as the 39-car motorcade rolled eastward under the grey sky toward Andau, a scant kilometer from the border.

From Time Magazine Archive

Clarifiers reach the boiling point much quicker, and cannot easily be scummed.

From The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. by P. L. Simmonds

The lake opened out before them, scummed with foam and torn into choppy, white-topped waves among which the logs were tossing.

From The Boss of Wind River by A. M. (Arthur Murray) Chisholm

The milk, which, after being scummed as before, had been put into a copper kettle, receives its due quantity of rennet, and is gently warmed, if the season requires it.

From Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson, Volume 2 by Thomas Jefferson Randolph

Boil them together a little while, till it be well scummed, and enough to become gelly.

From The Closet of Sir Kenelm Digby Knight Opened by Anne MacDonell

The mission stories often guide you through a level’s most unique assassinations, which is a nice gift to players who don’t like engaging in the aggressive, save scumming and trial-and-error obsessiveness those never-be-seen challenges require.

From The Verge ● Jan. 27, 2021

Boil all these together, till the scum be boiled in, not scumming it.

From The Closet of Sir Kenelm Digby Knight Opened by Anne MacDonell

The next day boil it gently, scumming it all the while till no more scum riseth; and if you will clarifie the Liquor with a few beaten whites of Eggs, it will be the clearer.

From The Closet of Sir Kenelm Digby Knight Opened by Anne MacDonell

"There is a brain that will endure but one scumming."

From The Works of Charles and Mary Lamb — Volume 6 Letters 1821-1842 by Mary Lamb

To every pint of juice, add two pounds of powdered loaf-sugar, boiling and scumming it in the same manner as for any other jam or jelly.

From The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches, Adapted to the Use of Private Families by Mary Eaton


Vocabulary lists containing scum

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember new words for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com