1. The quality or state of being chatty; a tendency to talk a lot, especially in a friendly and informal way
Her chattiness made her popular at social gatherings.
Sua tagarelice a tornou popular em eventos sociais.
2. The characteristic of being talkative and sociable
The chattiness of the taxi driver made the ride enjoyable.
A tagarelice do motorista de táxi tornou o passeio agradável.