1. talking too much; excessively talkative or prone to speaking at length
Usage: informal; often used to describe someone who dominates conversations or speaks more than is appropriate

Examples

• He has an overtalkative personality and often monopolizes meetings with unnecessary details.
• The overtalkative guest wouldn't stop talking, making it difficult for others to join the conversation.
• She's not intentionally rude; she's just overtalkative and doesn't realize when to let others speak.
• His overtalkative nature sometimes gets him into trouble at work.
• The overtalkative child needed reminders to listen to his classmates during group discussions.
• We appreciated her enthusiasm, but her overtalkative style made the presentation longer than planned.