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
Lethal is a synonym for deathly in deadly topic. In some cases you can use "Lethal" instead an adjective "Deathly", when it comes to topics like fatal, live. popular alternative
Nearby Word: death
Lethal
Lethal adjective - Likely to cause or capable of causing death.
Usage example: we were lucky that the snake's venom wasn't lethal, and our friend turned out to be all right
Deathly is a synonym for lethal in deadly topic. You can use "Deathly" instead an adjective "Lethal", if it concerns topics such as live. literary substitute
Nearby Word: lethality
Mutual synonyms
Both words in one sentence
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Lethal Harmless Powers: Ichika nearly kills someone with flower petals, as they're deathly allergic to them.
Source: Anime / Uta Kata -
However, when hit by a single iron bullet from a rifle, it goes all the way through and shatters his bones, inflicting a lethal wound that causes his deathly rage at mankind.
Source: Annoying Arrows -
In Harry Potter and the Deathly Hallows it really DOES bring misfortune, in a very immediate and lethal form.
Source: The Scottish Trope
Cite this Source
Lethal and Deathly. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deathly/lethal
Deathly & Lethal. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deathly/lethal>.
Lethal or Deathly. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deathly/lethal.
Google Ngram Viewer shows how "deathly" and "lethal" have occurred on timeline