Related Clues:

• 'Be quiet!'
• 'Zip your lip!'
• Serene
• ''Shut up!''
• "Pipe down!"
• Library sign
• "Quiet!"
• Hush
• Hushed
• 'Zip it!'
• "Hush!"
• "Enough!"
• 'Shut your mouth!'
• "That's enough!"
• "Who ___ Be Now?" (Men At Work)