<p><strong>Noun</strong></p><ul><li>something that obstructs, blocks, or closes up with an obstacle or obstacles; obstacle or hindrance: obstructions to navigation</li><li>an act or instance of obstructing</li><li>the state of being obstructed</li><li>the delaying or preventing of business before a deliberative body, especially a legislative group, by parliamentary contrivances</li></ul>