English▸ noun [mass noun] the action of obstructing or the state of being obstructed:
walkers could proceed with the minimum of obstruction.
▪ [count noun] a thing that impedes or prevents passage or progress; an obstacle or blockage:
the tractor hit an obstruction.
▪ (in various sports) the action of unlawfully obstructing a player in the opposing team.
▪ Medicine blockage of a bodily passage, especially the gut:
they presented with severe intestinal obstruction.
▪ Law the action of impeding the movement of traffic on a highway:
they were held for obstruction and other public order offences.
▪ Law the action of deliberately hindering the police in their duties:
he was charged with obstruction of a police officer in the execution of his duty.