Longman Dictionary of Contemporary English homepage

obstruction

 noun
     
Related topics: Sport
ob‧struc‧tion
1 [uncountable and countable] when something blocks a road, passage, tube etc, or the thing that blocks it [= blockage]:
an operation to remove an obstruction from her throat
Police can remove a vehicle that is causing an obstruction.
obstruction of
an unlawful obstruction of the highway
2 [uncountable] when someone or something prevents or delays a legal or political process
obstruction of
the obstruction of vital legislation
He was found guilty of obstruction of justice.
3DS [uncountable] an offence in football, hockey etc in which a player gets between an opponent and the ball
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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