a tendency to stammer:as a young man, he had a dreadful stammer
ზმნა
Universal
speak with sudden involuntary pauses and a tendency to repeat the initial letters of words:he turned red and started stammering
[reporting verb] say something with difficulty, repeating the initial letters of words and with sudden involuntary pauses: [with direct speech]:‘I ... I can’t,’ Isabel stammered [with object]:I stammered out my history