[{"Bold_text": "noun", "List Items": ["the tip or end of a toe."]}, {"Bold_text": "verb (used without object)", "List Items": ["to move or go on tiptoe, as with caution or stealth:She tiptoed out of the room."]}, {"Bold_text": "adjective", "List Items": ["characterized by standing or walking on tiptoe.", "straining upward.", "eagerly expectant.", "cautious; stealthy."]}, {"Bold_text": "adverb", "List Items": ["eagerly or cautiously; on tiptoe."]}]