Synonyms for deathly

Adjective

1. deathlike, deathly, dead (vs. alive)

usage: having the physical appearance of death; "a deathly pallor"

2. deadly, deathly, mortal, fatal (vs. nonfatal)

usage: causing or capable of causing death; "a fatal accident"; "a deadly enemy"; "mortal combat"; "a mortal illness"

Adverb

1. deathly

usage: in the manner of death; "he was deathly pale"