Poisonous and Sinister

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mutual synonyms sentence examples

Poisonous

Poisonous adjective - Containing or contaminated with a substance capable of injuring or killing a living thing.
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Synonyms for Poisonous
Antonyms for Poisonous
Sinister and poisonous are semantically related In some cases you can use "Sinister" instead an adjective "Poisonous".
Nearby Words: poison, poisoned, poisoning, poisoner

Sinister

Sinister adjective - Being or showing a sign of evil or calamity to come.
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Synonyms for Sinister
Antonyms for Sinister
Poisonous and sinister are semantically related in nasty topic. Sometimes you can use "Poisonous" instead an adjective "Sinister", if it concerns topics such as harmful.

Mutual synonyms

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Both words in one sentence

  • Swamps Are Evil When the main cast goes through them, they're hopelessly depressing, sinister, astonishingly dangerous, and full of a variety of narcotic compounds and poisonous plants.
    Source: Swamps Are Evil
  • Elemental Powers Sometimes folded into Death, though it can also be a more sinister application of Life (by supercharging the micro-organisms that cause disease) or Nature (a lot of plants and animals are poisonous).
    Source: Elemental Powers
  • A more sinister variation happens when Bob is a Poisonous Friend who wants to "help" Alice by killing her Living Emotional Crutch and Morality Chain.
    Source: They Were Holding You Back
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Cite this Source
Sinister and Poisonous. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/poisonous/sinister
Poisonous & Sinister. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/poisonous/sinister>.
Sinister or Poisonous. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/poisonous/sinister.

Synonyms for poisonous


Synonyms for sinister

Google Ngram Viewer shows how "poisonous" and "sinister" have occurred on timeline