20 Sep Is it Stuttering or Dysfluency? Posted at 16:48h in Blog by dvt Is it Stuttering or Dysfluency? What is a dysfluency? An interruption in smooth speech such as pause or the repetition of a sound, word, or interjection (ASHA, n.d.) What is stuttering? The most common fluency disorder, is an interruption in the flow of speaking characterized by specific types of disfluencies (ASHA, n.d.)