Definitions:

1. Rapid unintelligible talk. NOUN
   • She wasn't very good at the random gabble of teenagers.
2. Speaking quickly and unintelligibly, often in a way that makes it hard for others to understand. VERB
   • In her excitement, she began to gabble, making it hard for her friends to understand the story she was telling.
3. Talk rapidly and unintelligibly; utter meaningless sounds. VERB
   • He gabbled on in a panicky way until he was dismissed.
4. Talking in a rapid, excited, or nervous manner, without taking the time to enunciate or consider the clarity of speech. VERB
   • Listening to the rapid gabble of the sales pitch, it was difficult to catch all the details of the offer.

Synonyms:

• babble
• chatter
• clack
• jabber
• mumble
• prattle
• Twitter