Fast talking can lead to a lack of clear enunciation, articulation and an engaging tone, which can prevent your message from taking hold in the listener's mind. They may hear your words, but they may end up misunderstanding the full message.

What does speaking fast indicate?

People interpret fast talking as a sign of nervousness and a lack of self-confidence. Your fast talking can make it appear that you don't think people want to listen to you, or that what you have to say is not important.

Is talking too fast a disorder?

When you have a fluency disorder it means that you have trouble speaking in a fluid, or flowing, way. You may say the whole word or parts of the word more than once, or pause awkwardly between words. This is known as stuttering. You may speak fast and jam words together, or say "uh" often.