[{"Bold_text": "verb (used without object)", "List Items": ["to strike the foot against something, as in walking or running, so as to stagger or fall; trip.", "to walk or go unsteadily:to stumble down a dark passage.", "to make a slip, mistake, or blunder, especially a sinful one:to stumble over a question; to stumble and fall from grace.", "to proceed in a hesitating or blundering manner, as in action or speech (often followed byalong).", "to discover or meet with accidentally or unexpectedly (usually followed byon, upon,oracross):They stumbled on a little village.", "to falter or hesitate, as at an obstacle to progress or belief."]}, {"Bold_text": "verb (used with object)", "List Items": ["to cause to stumble; trip.", "to give pause to; puzzle or perplex."]}, {"Bold_text": "noun", "List Items": ["the act of stumbling.", "a moral lapse or error.", "a slip or blunder."]}]