obstruct

Universal Words verb [VN] 1 to block a road, an entrance, a passage, etc. so that people cannot get through, see past, etc: You can't park here, you're obstructing my driveway. * First check that the accident victim doesn't have an obstructed airway. * The pillar obstructed our view of the stage. 2 to prevent sb/sth from doing sth or making progress, especially when this is done deliberately: They were charged with obstructing the police in the course of their duty. * terrorists attempting to obstruct the peace process