Related Clues:

• Reduce to silence
• Enclose; be quiet!
• Won't talk and are put in prison
• Noiselessness
• Say no more and bolt
• Cut the cackle when incarcerated
• Make no noise, being imprisoned
• Say nothing in a prison cell?
• Even parts of The South turned calm
• "Quiet down!"
• Closed, so don't say a word!
• "Quit complaining!"
• When doubled, on the DL
• "Be silent!"
• Hold your tongue