obstruction - definition and synonyms

noun 

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/əbˈstrʌkʃ(ə)n/
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. b.
      [uncountable] the act of preventing someone or something from moving along or through a path, passage, door etc by blocking it

      obstruction of food shipments by the rebels

  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.

  3. 3
    [uncountable] an offence in a game such as football in which you put your body between an opponent and the ball so that they cannot get it

    Collett won a free kick for obstruction.