"damper" in the noun sense
a movable iron plate that regulates the draft in a stove or chimney or furnace
2. damper, muffler
a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
a depressing restraint
"rain put a damper on our picnic plans"
"damper" in the adjective sense
1. damp, dampish, moist
"clothes damp with perspiration"
"a moist breeze"
"eyes moist with tears"
Source: WordNet® (An amazing lexical database of English)
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