Related Clues:

• 'Lower your voice!'
• "Lower your voice!"
• Hospital reminder, perhaps
• Stereotypical librarian admonition
• 'Be silent!'
• One may come over a crowd
• 'Quit crying about it!'
• 'I'm trying to work here'
• Vocal calmer
• Sound aptly hidden in "hush-hush"
• Movie theater reprimand
• Moviegoer’s reprimand
• “Quiet!”
• Is this the type of money offered to shut up royal taking in America?
• Fricative admonishment