0 a layer of unpleasant or unwanted material that has formed on the top of a liquid:
The lake near the factory was covered with grey, foul-smelling scum.
1 a very bad or immoral person or group of people:
racist scum
His boss treats him like scum (= very badly).
People who organize dog fights are scum in my opinion!
2 a thin layer that forms on the surface of a liquid:
I wish you wouldn’t leave soap scum in the bathtub.
The tea was nasty-tasting stuff that looked like pond scum.
NEW WORDS
European
May 10, 2021
WORD OF THE DAY
Shimmer
scum