Lethal and Toxic

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

Toxic is a synonym for lethal in poisonous topic. In some cases you can use "Toxic" instead an adjective "Lethal".

Nearby Word: lethality

Toxic

Toxic adjective - Containing or contaminated with a substance capable of injuring or killing a living thing.
Usage example: certain plants are toxic if eaten

Lethal is a synonym for toxic in poisonous topic. You can use "Lethal" instead an adjective "Toxic", if it concerns topics such as fatal.

Nearby Words: toxicant, toxin

Both words in one sentence

  • Useful Notes / Australian Wildlife To the vast majority of animals, the sap of the eucalyptus tree is toxic and lethal to ingest.
  • Lite Crème It's also moderately toxic (the lethal dose for an average human is ~50g), so it's just a matter of choosing a lesser evil.
    Source: Lite Crème
  • Technicolor Science It is also highly toxic and can (and does, though its use is controversial) serve as an incredibly lethal firebomb.
Cite this Source
Toxic and Lethal. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/lethal/toxic
Lethal & Toxic. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/lethal/toxic>.
Toxic or Lethal. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/lethal/toxic.
Google Ngram Viewer shows how "lethal" and "toxic" have occurred on timeline