deadening
Concise Oxford English Dictionary © 2008 Oxford University Press:
deaden/ˈdedn/
▶verb
- 1 make (a noise or sensation) less intense.
■ make insensitive.
- 2 deprive of force or vitality.
– derivatives
deadener noun,
deadening adjective.
deadener noun,
deadening adjective.
'deadening' also found in these Oxford entries:

