chunter /chunˈtər/ (informal)

1. To mutter
2. To grumble
3. To chatter unceasingly and meaninglessly

• master-builder
• master-builders
• master-card
• master-cards
• MasterCard®
• master-class
• master-classes
• master-clock
• master-clocks
• masterdom
• masterdoms
• mastered
• masterful
• masterfully
• masterfulness
• masterfulnesses
• master-hand
• master-hands
• masterhood
• masterhoods
• masteries
• mastering
• masterings
• master-joint
• master-joints