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 of damper

• 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

These dampers act as a block at the main duct trunk line, causing your system to function like there isn’t a vent in that particular room at all. —Meghan Overdeep, Southern Living, 30 May 2026

That puts a damper on a season that has seen the White Sox start 30-27. —Chuck Murr, Forbes.com, 30 May 2026

With a curb weight of 5,180 lbs (2,350 kg), this PHEV is no featherweight, but the twin-valve dampers do a good job of controlling the ride and hiding that mass. —Jonathan M. Gitlin, ArsTechnica, 28 May 2026

The Oscar-winning actor is miscast and never becomes his legendary character, which puts a damper on the film. —Randy Myers, Mercury News, 27 May 2026

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