Related Clues:

• (Device to) reduce sound
• Dull as last character leaving cul-de-sac?
• Deaden sound for donkey covering loud noise
• Suppress the sound
• Writer makes a comeback with A Place to Kill
• Damp down; make less sensitive
• Cover (to block sound)
• Conceal botch the French made
• Make insensitive
• Check cul-de-sac - key missing
• Muffle (sound)
• Muffle (a sound)
• Scarf not completely damp
• Apply novocaine to
• Cross, having very loud interruption, prompting silence