Related Clues:

• Admonition to a noisy child
• Audience utterance
• "Pipe down!"
• Gag
• Keep quiet!
• 'Don't tell a soul'
• Cry hidden seven times elsewhere in this puzzle
• "Quiet!"
• Hush
• Theater request
• 'Quiet down!'
• Stifle!
• 'Zip it!'
• "Hush!"
• Librarian's plea