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scum - definition and synonyms


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noun [uncountable] scum pronunciation in British English /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.
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  2. 2
    offensive an insulting word for someone who you think is very unpleasant
    The people who do these dreadful things are scum.

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a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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