Definition of deathly adverb from the Oxford Advanced American Dictionary

 

deathly

 adverb
adverb
NAmE//ˈdɛθli//
 
(deadly)
 
jump to other results
like a dead person; suggesting death Her face was deathly pale. The house was deathly still. deathly cold
deathlyadjective
 
jump to other results
Adeathly hush fell over the room as he walked in.