- to speak with involuntary breaks and pauses, or with spasmodic repetitions of syllables or sounds.
- to say with a stammer (often followed by out).
- a stammering mode of utterance.
- a stammered utterance.
- to speak or say (something) in a hesitant way, esp as a result of a speech disorder or through fear, stress, etc
- a speech disorder characterized by involuntary repetitions and hesitations