stammer

/ˈstæmər/
verb
  1. To speak with involuntary pauses, repetitions, or blocks, often because of nervousness or a speech disorder.
    • The actor practiced his lines for hours to avoid stammering on stage.
    • When he gets nervous, he tends to stammer and repeat the first syllable of words.
    • She tried to explain what happened, but she stammered so badly that no one could understand her.
noun
  1. A speech pattern characterized by involuntary pauses, repetitions, or blocks.
    • The teacher was patient with the student's stammer and never interrupted him.
    • His stammer became less noticeable after years of speech therapy.
    • She spoke with a slight stammer when she was tired.
Antonyms
What does "stammer" mean? | whatsthatwordmean | whatsthatwordmean