Meaning of “stutter” - Learner’s Dictionary

stutter

verb [ I, T ] uk us /ˈstʌtər/

to repeat the first sound of a word several times when you talk, usually because you have a speech problem:

"C-c-can we g-go now?" she stuttered.
stutter noun [ no plural ]

He has a really bad stutter.

(Definition of “stutter” from the Cambridge Learner’s Dictionary © Cambridge University Press)