Deathly
Deathly adjective - Of, relating to, or suggestive of death.
Usage example: his deathly pallor suggested that any attempt to find a pulse would be futile
Fatal is a synonym for deathly in deadly topic. In some cases you can use "Fatal" instead an adjective "Deathly", when it comes to topics like live, lethal. popular alternative
Nearby Word: death
Fatal
Fatal adjective - Likely to cause or capable of causing death.
Usage example: that snake's venom is fatal unless the victim is given the antidote almost immediately
Deathly is a synonym for fatal in deadly topic. You can use "Deathly" instead an adjective "Fatal", if it concerns topics such as live, lethal. literary substitute
Mutual synonyms
Both words in one sentence
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In Harry Potter and the Deathly Hallows, it is mentioned that a Horcrux can be destroyed and a Soul made whole if its creator feels enough regret, which may be fatal to him.
Source: Villainous B.S.O.D. - During his death in Deathly hallows, Dumbledore offers him the chance to go back in time to to that fateful day and relive it, giving him the chance to redo that fatal mistake that drove Lily away.
Cite this Source
Fatal and Deathly. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deathly/fatal
Deathly & Fatal. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deathly/fatal>.
Fatal or Deathly. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deathly/fatal.
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