Definitions:

1. A person's tendency to speak a lot, sometimes without significant pause, covering various topics. ADJECTIVE
   • She found the gabby salesman overwhelming, as he went on and on about the product's features.
2. Describes someone who is very talkative or chatty, often engaging in long conversations with ease. ADJECTIVE
   • My aunt is quite gabby; she can talk for hours about her garden.

Synonyms:

• chatty
• conversational
• loquacious
• talkative
• voluble