scum - definition and synonyms

noun [uncountable] 

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/skʌm/
  1. 1
    a layer of a dirty or unpleasant substance that forms on the surface of a liquid

    A thick layer of black scum lay on the canal water.

     Synonyms and related words
  2. 2
    offensive an insulting word for someone who you think is very unpleasant

    The people who do these dreadful things are scum.

derived word

scummy

adjective
adjectivescummy
comparativescummier
superlativescummiest
 Synonyms and related words