Stuttering is a speech problem that interferes with normal word patterns and is not appropriate for a person's age. A person who stutters involuntarily repeats, draws out, does not complete, or skips sounds or words when speaking.
A person who stutters may:
Stuttering associated with normal speech development is called normal disfluency and usually goes away on its own before puberty. More severe forms of stuttering, called developmental stuttering, usually do not resolve without treatment.
WebMD Medical Reference from Healthwise