Thesaurus

toxic

adjective

Synonyms & Antonyms of toxic

(Entry 1 of 2)

containing or contaminated with a substance capable of injuring or killing a living thing
  • certain plants are toxic if eaten

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toxic

noun

Synonyms & Antonyms of toxic (Entry 2 of 2)

a substance that by chemical action can kill or injure a living thing
  • tested for toxics in the water supply

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Time Traveler for toxic

Time Traveler

The first known use of toxic was in 1664

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Cite this Entry

“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 24 Oct. 2020.

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More from Merriam-Webster on toxic

Dictionary: Definition of toxic

Medical Dictionary: Definition of toxic

Nglish: Translation of toxic for Spanish Speakers

Britannica English: Translation of toxic for Arabic Speakers

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