Stammer | Mean of stammer in English Dictionary

/ˈstæmɚ/

• Verb
• to speak with many pauses and repetitions because you have a speech problem or because you are very nervous, frightened, etc.
1. He stammers [=stutters] when he's nervous.
2. “I d-don't know what you're talking about!” she stammered.
3. He stammered an excuse and fled.