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deaden

American  
[ded-n] / ˈdɛd n /

verb (used with object)

  • deadens,
    present (3rd person singular)
  • deadened,
    past participle,  past
  • deadening
    present participle
  1. to make less sensitive, active, energetic, or forcible; weaken.

    to deaden sound; to deaden the senses; to deaden the force of a blow.

    Synonyms:
    dull, numb, lessen, diminish, blunt
  2. to lessen the velocity of; retard.

    to deaden the headway of a ship.

  3. to make impervious to sound, as a floor.


verb (used without object)

  • deadens,
    present (3rd person singular)
  • deadened,
    past participle,  past
  • deadening
    present participle
  1. to become dead.

deaden British  
/ ˈdɛdən /

verb

  1. to make or become less sensitive, intense, lively, etc; damp or be damped down; dull

  2. (tr) to make acoustically less resonant

    he deadened the room with heavy curtains

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of deaden

First recorded in 1655–65; dead + -en 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The truth, however, is the obscure word - meaning "to deaden" - is the name of a police-led training exercise.

From BBC Jan. 17, 2024

The biggest is the ball and the size of the stitches, Nathan said, and MLB made slight adjustments to deaden the ball prior to the 2021 season.

From Seattle Times Apr. 7, 2023

I’m to the point of considering bringing in a speaker to deaden their noise or broadcast an offensive podcast at them.

From Washington Post Mar. 20, 2023

There is always a narrative risk when recapitulating events in historical fiction — predetermination can deaden the pulse.

From New York Times Jan. 3, 2023

After bandaging them neatly she had administered a potion that would deaden the pain and induce sleep.

From "Redwall" by Brian Jacques

But La Nina pretty much deadens shear, which is “a huge factor” for more storm activity, University of Albany hurricane researcher Kristen Corbosiero said.

From Seattle Times May 31, 2022

Lyndall Gordon’s endured a “boredom that deadens the air around my father”.

From Economist Apr. 19, 2018

Toradol, a nonsteroidal anti-inflammatory often used to manage short-term postoperative pain, deadens feeling and inhibits the body’s ability to sense injury.

From Washington Post Mar. 9, 2017

But the efforts are often clumsy, flagged with a wink-winking that deadens the gimmick, especially in a classroom scene in which a discussion of Gothic literature turns to name dropping.

From New York Times Jun. 29, 2015

I find myself pawing at my left ear periodically, trying to clean away whatever deadens its ability to collect sounds.

From "The Hunger Games" by Suzanne Collins

For others, stop-start has deadened the joy of driving.

From The Wall Street Journal Apr. 3, 2026

It’s pleasant to type on, thanks to each key’s even and clear sound signature, lacking ping or hollowness — though some may find it overly deadened.

From The Verge Aug. 30, 2022

The league’s hope was that a deadened ball would cut down on home runs and increase action in the field of play.

From Los Angeles Times May 6, 2022

Perhaps it’s the Rawlings baseballs, which were slightly deadened this year in a change MLB said an independent lab found would cause balls to fly 1 to 2 feet shorter when hit over 375 feet.

From Seattle Times May 1, 2021

Their boots were deadened of all sound in the thick green grass.

From "The Martian Chronicles" by Ray Bradbury

The Black Hawk helicopter was ready for take off – its rotor blades slicing through the air in the deadening heat of the Colombian Amazon.

From BBC Feb. 3, 2026

The decision still means joy or despair, but the virtual nature of acceptance and rejection, the evidence of no human hand, is a little deadening.

From The Wall Street Journal Jan. 16, 2026

Likewise, many well-known geniuses like Billy Wilder, Otto Preminger and Fritz Lang, who were chased out of Europe by the Nazis, brilliantly exposed the hypocrisies and soul deadening conformity of mainstream American culture.

From Salon Jan. 1, 2026

They were trying to return from popular Emerald Bay to their west side home in midafternoon when eight-foot swells swamped the boat, deadening the engine and capsizing the vessel off rocky Rubicon Point near D.L.

From Los Angeles Times Jun. 30, 2025

Where students are most in need of help is where the most stripped-down, deadening material is put in front of them.

From "Drama High" by Michael Sokolove

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