- (a.) Deadly; fatal; mortal; destructive.
- (adv.) Deadly; as, deathly pale or sick.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). deathly. Retrieved September 22, 2026, from http://smartdefine.org/deathly/definitions/1994722 |
| Chicago | Webster's. 2011. "deathly" http://smartdefine.org/deathly/definitions/1994722 (accessed September 22, 2026). |
| Harvard | Webster's 2011, deathly, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/deathly/definitions/1994722>. |
| MLA | Webster's. "deathly" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/deathly/definitions/1994722> |