As a verb deadened is
(deaden).
wikidiffcom
Not English
Wikidiffcom has no English definition. It may be misspelled. deadened
English
Verb
(head)
(deaden)
deaden
English
Verb
(
en verb)
To render less lively; to diminish; to muffle.
To become less lively; to diminish (by itself).
To make soundproof.