|Origin:||stut 'to stutter' (14-19 centuries)|
1 [intransitive and transitive]
to speak with difficulty because you cannot stop yourself from repeating the first consonant of some words [↪ stammer]:
'I'm D-d-david,' he stuttered.
if a machine stutters, it keeps making little noises and does not work smoothly:
a refrigerator which stuttered and hummed