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obstruction

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noun British English pronunciation: obstruction /əbˈstrʌkʃ(ə)n/ 
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singularobstruction
pluralobstructions
  1. 1
    [countable] something that blocks a path, passage, door etc so that it is difficult or impossible for someone or something to move along or through it

    They're going to operate on an obstruction in her colon.

    1. a.
      [uncountable] the act of blocking a path, passage, door etc so that it is difficult or impossible for someone or something to move along or through it

      You will be charged with obstruction of a public footpath.

      Check that there is no obstruction of the patient's airway.

  2. 2
    [uncountable] the act of taking action in order to prevent someone from doing something or to prevent something from happening

    She was charged with perjury and obstruction of justice.

    He was criticized for his obstruction of efforts to rebuild the war-torn country.

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