[{"Bold_text": "adverb", "List Items": ["under the foot or feet; on the ground; underneath or below:The climb was difficult because there were so many rocks underfoot.", "so as to form an obstruction, as in walking; in the way:the ends of her sash falling constantly underfoot."]}, {"Bold_text": "adjective", "List Items": ["lying under the foot or feet; in a position to be trodden upon."]}]