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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

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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.

The evening signaled that this is not the type of show that will deaden an artist behind glass vitrines.

From Los Angeles Times • Feb. 25, 2026

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

“Combine that with his ability to soften the hands and deaden the contact,” Annacone wrote, “and you have terrific ingredients to execute that deft touch.”

From Washington Post • May 27, 2022

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

From "Redwall" by Brian Jacques

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