[{"Bold_text": "verb (used with object)", "List Items": ["to block or close up with an obstacle; make difficult to pass:Debris obstructed the road.Synonyms: arrest , retard , slow , check , prevent , impede , hinder , clog , choke , stop Antonyms: further , encourage", "to interrupt, hinder, or oppose the passage, progress, course, etc., of.", "to block from sight; to be in the way of (a view, passage, etc.)."]}]