obstruction /əbˈstɹʌk.ʃən/ noun3 •The act of obstructing, or state of being obstructed. •Something which obstructs or impedes, either intentionally or unintentionallyThe referee stopped play because of an obstruction by the defender. •The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death. formsobstructions