1. to talk rapidly and continuously in a foolish, excited, or incomprehensible way
2. to make a continuous murmuring sound
3. to reveal secrets or confidential information carelessly

1. foolish, excited, or incomprehensible talk
2. a continuous murmuring sound

Examples

• The excited child began to babble about her day at school.
• He tends to babble when he’s nervous during presentations.
• The brook babbled softly as it flowed over the rocks.
• Don’t babble about the surprise party to anyone.
• I couldn’t understand the babble of voices in the crowded room.
• The babble of the stream was soothing and peaceful.
• She listened to his endless babble about video games.