1. The act of obstructing, or state of being obstructed. 2. That which obstructs or impedes; an obstacle; an impediment; a hindrance. A popular assembly free from obstruction. Swift. 3. The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death. [Poetic] To die, and go we know not where, To lie in cold obstruction, an...