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English definition of “obstruct”

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obstruct

verb [T] uk   /əbˈstrʌkt/ us  
to block a road, passage, entrance, etc. so that nothing can go along it, or to prevent something from happening correctly by putting difficulties in its way: After the earthquake many roads were obstructed by collapsed buildings. Her view of the stage was obstructed by a pillar. An accident is obstructing traffic on the M11. to try to stop something from happening or developing: to obstruct a police investigation He got five years in prison for withholding evidence and obstructing the course of justice.
(Definition of obstruct from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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