verb (used with object)
to make less sensitive, active, energetic, or forcible; weaken: to deaden sound; to deaden the senses; to deaden the force of a blow.
to lessen the velocity of; retard: to deaden the headway of a ship.
to make impervious to sound, as a floor.
verb (used without object)
to become dead.
Origin of deaden
Synonyms for deaden
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for deadener
Historical Examples of deadener
"I fears me thet wound's mighty liable ter be a deadener," he said.A Pagan of the Hills
Charles Neville Buck
to make or become less sensitive, intense, lively, etc; damp or be damped down; dull
(tr) to make acoustically less resonanthe 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
Online Etymology Dictionary, © 2010 Douglas Harper