Talking too much or a lot. (adj)
Loquacious is a Word
Syn: Jabbering, Chatty, Wordy
Ant: Quiet, Restrained, Silent
1. While Jared was shy and quiet, his twin brother Michael was outgoing and loquacious.
2. Since the employees knew their manager was in a loquacious mood, they predicted the meeting would be a long one.