scum
scum definition
scum (skum)
noun
- a thin layer of impurities which forms on the top of liquids or bodies of water, often as the result of boiling or fermentation
- the dross or refuse on top of molten metals
- worthless parts or things; refuse
- Informal a low, despicable person, or such people collectively; lowlife
Etymology: ME < MDu schum, akin to Ger schaum, foam, scum, prob. < IE base *(s)keu-, to cover > sky
intransitive verb
to form scum; become covered with scum
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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