A silencer is an object used to reduce the sound of a noise, such as a gunshot. The crossword solutions for the term silencer include SHUSH (5 letters), MUFFLER (7 letters), MUTER (5 letters), GAVEL (5 letters), EARPLUG (7 letters), and GAG (3 letters). SHUSH is an interjection used to tell someone to be quiet. A MUFFLER is a device used to reduce the noise of an engine. Muter is another word for silencer. A GAVEL is a tool used by a judge to signal the end of a court session. Earplugs are used to block out loud noises. Finally, a GAG is a device used to prevent someone from speaking.