Related Clues:

• Muted
• Not talkative
• ''Enough already!''
• "Shut up!"
• ''Be quiet!''
• Restraining order
• Peace partner
• Low in decibels
• 'Shut your pie hole!'
• "Enough already!"
• "No more!"
• 'Shut your trap!'
• “Hush!”
• ''Not another word!''
• Librarian's request