Thesaurus

poisonous

adjective

Synonyms & Antonyms of poisonous

containing or contaminated with a substance capable of injuring or killing a living thing
  • some evil person was leaving out poisonous meat for neighborhood dogs to eat

Synonyms for poisonous

Words Related to poisonous

Near Antonyms for poisonous

Antonyms for poisonous

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Time Traveler for poisonous

Time Traveler

The first known use of poisonous was in the 15th century

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Thesaurus Entries Near poisonous

poisoning

poisonous

poisons

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Cite this Entry

“Poisonous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/poisonous. Accessed 19 May. 2022.

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More from Merriam-Webster on poisonous

Nglish: Translation of poisonous for Spanish Speakers

Britannica English: Translation of poisonous for Arabic Speakers

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