1. devices attached to firearms to reduce the sound of gunshots
Usage: also called suppressors
2. devices that reduce noise from vehicle exhaust systems
Usage: automotive

Examples

• The police found several illegal silencers during the raid.
• Movie silencers make guns much quieter than they actually are in real life.
• The car’s silencers needed replacement after years of use.
• Modern silencers can reduce gunshot noise by about 30 decibels.
• The mechanic installed new silencers to reduce the engine noise.
• Military units often use silencers for stealth operations.
• The old truck’s silencers were rusted and barely functional.