stuttering
n. C / Un. a way of speaking where you repeat sounds or have trouble starting a word. It often happens when someone is nervous or has a speech condition.
n. a speech disorder or habit characterised by involuntary repetitions, prolongations, or blocks of sounds and syllables. Uncountable when referring to the condition generally; countable when referring to specific instances of the behaviour.
His stuttering becomes more noticeable when he is tired.
The therapist worked with the child to reduce his stuttering through breathing exercises and slow speech techniques.
Despite his severe stuttering during childhood, he eventually became a renowned public speaker by mastering techniques that allowed him to manage his fluency in high-pressure environments.
Often functions as a gerund noun describing the act or condition of dysfluent speech.