stammer

US /ˈstæm.ɚ/
UK /ˈstæm.ɚ/
"stammer" picture
1.

to speak with involuntary pauses and repetitions of initial consonants or syllables and difficulty in articulating words

:
He tends to stammer when he's nervous.
She would often stammer over her words when speaking in public.
1.

a tendency to stammer

:
He spoke with a slight stammer.
Her nervousness caused a noticeable stammer in her presentation.