damper

noun

damp·​er ˈdam-pər 

1

: a dulling or deadening influence

put a damper on the celebration

2

: a device that damps: such as

a

: a valve or plate (as in the flue of a furnace) for regulating the draft

b

: a small felted block to stop the vibration of a piano string

c

chiefly British : shock absorber

3

Australia : a simple usually unleavened bread of a kind made originally in the Australian bush

Synonyms

• mute

Examples of damper in a Sentence

the pianist used the damper pedal on the piano for the quiet passages

Recent Examples on the Web

New suspension, using Reiger shock dampers, helps to manage weight transfer and body roll, while absorbing all but the worst road surfaces with the kind of comfortable, cushiony float that only optimal valve tuning can produce. —Michael Van Runkle, Robb Report, 2 Apr. 2025

For one, the Los Angeles fires put a slight damper on the energy. —Brian Welk, IndieWire, 4 Feb. 2025

The catastrophic Southern California wildfires, combined with winter storms and the presidential inauguration, have put an understandable damper on the latest leg of awards season, with most of this year’s Oscar contenders stepping back from the usual campaigning in recent weeks. —Patrick Ryan, USA TODAY, 23 Jan. 2025

Make sure your fireplace damper is closed to ensure no cold air is seeping into your home. —Ella Gonzales, Fort Worth Star-Telegram, 21 Jan. 2025

Word History

First Known Use

1707, in the meaning defined at sense 1

Phrases Containing damper

• put a damper on

Rhymes for damper

• camper
• hamper
• pamper
• scamper
• stamper
• tamper

Kids Definition

damper

noun

damp·​er ˈdam-pər 

: one that damps : as

a

: a valve or plate (as in the flue of a furnace) for regulating the draft

b

: a device (as one of the felt-covered pieces of wood in a piano) used to deaden vibrations or oscillations

c

: a dulling or deadening influence

put a damper on the celebration