[{"Bold_text": "noun", "List Items": ["something that obstructs ,blocks, or closes up with an obstacle or obstacles; obstacle or hindrance:obstructions to navigation.Synonyms: impediment , bar , barrier Antonyms: encouragement", "an act or instance of obstructing .", "the state of being obstructed .Synonyms: stoppage Antonyms: encouragement", "the delaying or preventing of business before a deliberative body, especially a legislative group, by parliamentary contrivances."]}]