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vacuum - definition and synonyms


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noun     vacuum pronunciation in British English
Word Forms
  1. 1
    [countable] physics a space that has had all the air and any other gases removed from it
    Synonyms and related words
  2. 2
    [singular] a feeling that something is missing, or a situation in which something is missing
    political/power vacuum:

    the political vacuum left by his unexpected death

    create a vacuum:

    The collapse of the dictatorship created a vacuum in which criminal gangs flourished.

    fill a vacuum (=replace something):

    They need something to fill the vacuum left by the end of Marxism.

Open Dictionary


a rise in the level of a stream or river

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