Thesaurus

poison

adjective

Synonyms & Antonyms of poison

(Entry 1 of 3)

containing or contaminated with a substance capable of injuring or killing a living thing
  • the witch gave Snow White a poison apple

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poison

noun

Synonyms & Antonyms of poison (Entry 2 of 3)

a substance that by chemical action can kill or injure a living thing
  • the only way to get rid of rats is to leave out poison

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poison

verb

Synonyms & Antonyms of poison (Entry 3 of 3)

1 to affect slightly with something morally bad or undesirable
  • poisoning the minds of impressionable children with ethnic hatred

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2 to make unfit for use by the addition of something harmful or undesirable
  • exhaust fumes poisoning the air

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3 to lower in character, dignity, or quality
  • this party partisanship poisons the national debate we should be having about this urgent problem

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4 to cause to have often negative opinions formed without sufficient knowledge
  • malicious rumors had poisoned many church members against the new pastor

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See the Dictionary Definition 

Learn More About poison

Time Traveler for poison

Time Traveler

The first known use of poison was in the 13th century

See more words from the same century

Thesaurus Entries Near poison

poising

poison

poisoned

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Cite this Entry

“Poison.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/poison. Accessed 25 May. 2022.

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More from Merriam-Webster on poison

Nglish: Translation of poison for Spanish Speakers

Britannica English: Translation of poison for Arabic Speakers

Britannica.com: Encyclopedia article about poison

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