1. [ noun ] a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
Synonyms: muffler
Related terms: device shock_absorber damper_block dash-pot muffle
2. [ noun ] a movable iron plate that regulates the draft in a stove or chimney or furnace
Related terms: plate chimney
3. [ noun ] a depressing restraint

"rain put a damper on our picnic plans"

Related terms: restraint damp
Similar spelling:   Dampeer