[{"Bold_text": "noun", "List Items": ["forward movement; progress in a forward direction:The ship's headway was slowed by the storm.", "progress in general:headway in a career.", "rate of progress:a slight headway against concerted opposition.", "the time interval or distance between two vehicles, as automobiles, ships, or railroad or subway cars, traveling in the same direction over the same route."]}, {"Bold_text": "noun", "List Items": ["headroom(def2) headroom(def2)."]}]