1. something that makes something else less intense, enthusiastic, or successful
2. a device that reduces vibration, sound, or movement
Usage: technical

Examples

• The rain was a real dampener on our picnic plans.
• His negative attitude served as a dampener to the team’s enthusiasm.
• The economic downturn acted as a dampener on consumer spending.
• The car’s suspension system includes several dampeners to reduce vibration.
• The criticism was a dampener on her confidence.
• Installing sound dampeners helped reduce the noise in the recording studio.