Related Clues:

• Change first part of exercise from soft to hard in silence
• A scold's bridle would shut up
• Suppress public mention of (something)
• Keep mum's old house on – get name off the wall
• Be quiet not loud. He's gone bananas
• Suppress information or rumours
• It's hard on you and me having huge half of pressure to sweep under the carpet
• Keep mum fair-dealing about early working guests -- not half
• Gag produces a quiet admonition at uni­versity
• Keep one's thoughts to oneself
• Keep that under your hat or veil?
• “Quiet!”
• Keep concealed, as a scandal
• Suppress mention of