[ ded-n-ing ]
/ ˈdɛd n ɪŋ /


a device or material employed to deaden or render dull.
a device or material preventing the transmission of sound.
a woodland in which the trees are killed by girdling prior to being cleared.

Origin of deadening

First recorded in 1775–85; deaden + -ing1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for deadening