- deathly⇄adj. 1. like that of death; deathlike.
Ex. Long illness had brought a deathly pallor to his face.
2. causing death; deadly.
Ex. The rats were killed with a deathly poison.
(SYN) fatal.
3. (Poetic.) of death. - deathly⇄adv. 1. as if dead.
Ex. The sick man grew deathly pale.
2. extremely.
Ex. She is deathly afraid of deep water. Again the Great Hall was deathly silent (Time). - deathly⇄deathly, adjective, adverb.