damper

(noun, adjective)

adjective

1. comparative form of damp: more damp

noun

1. a movable iron plate that regulates the draft in a stove or chimney or furnace

Definition categories: man–made, plate

2. a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations

Similar word(s): muffler

Definition categories: man–made, device

3. a depressing restraint

- rain put a damper on our picnic plans

Definition categories: act, restraint