deathly Meaning, Definition & Usage

1. adjective satellite having the physical appearance of death
   deathlike.
   
   • a deathly pallor
2. adjective satellite causing or capable of causing death
   deadly; mortal.
   
   • a fatal accident
   • a deadly enemy
   • mortal combat
   • a mortal illness
3. adverb to a degree resembling death
   
   • he was deathly pale

WordNet