Related Clues:

• Silence
• Zipped, so to speak
• 'Shhh!'
• SLEEPY
• 'Shush!'
• Soothe
• Serenity
• ''Quiet!''
• 'Be quiet!'
• Serene
• ''Shut up!''
• "Pipe down!"
• Library sign
• "Quiet!"
• Hush