[{"Bold_text": "verb (used without object)", "List Items": ["to speak with involuntary breaks and pauses, or with spasmodic repetitions of syllables or sounds.Synonyms: falter , hesitate , pause"]}, {"Bold_text": "verb (used with object)", "List Items": ["to say with a stammer (often followed byout)."]}, {"Bold_text": "noun", "List Items": ["a stammering mode of utterance.", "a stammered utterance."]}]