TOXIN Synonyms: 23 Similar and Opposite Words

toxin

noun

ˈtäk-sən

Definition of toxin

as in poison

a substance that by chemical action can kill or injure a living thing read a pamphlet on the toxin responsible for botulism, a food poisoning that can cause paralysis and even death in some cases

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of toxin The physician referred him to a neurologist who noted cognitive impairment, possibly due to exposure to multiple toxins at the Hanford Site. — Lizz Giordano, ProPublica, 22 Oct. 2026 Binding to a toxin does not mean a protein can actually neutralize it, let alone function as a safe and effective treatment. — Robert Hart, The Verge, 22 Oct. 2026 Experts told Everyday Health that mold and any resulting toxins in coffee shouldn’t be a concern for drinkers. — Hanna Wickes, Miami Herald, 20 Oct. 2026 What’s Happening Mycotoxins are toxins formed by molds that can grow on crops like grains and coffee beans if improperly stored. — Hanna Wickes, Kansas City Star, 20 Oct. 2026 See All Example Sentences for toxin

Recent Examples of Synonyms for toxin

Noun

My grandson, five years old, was told by his parents that alcohol is poison.

— R. Eric Thomas, Washington Post, 23 Oct. 2026
Along with the murder charge, Von Ferdinand faces special circumstance allegations of killing Jett for financial gain and administering poison, Stephan said.

— Summer Lin, Los Angeles Times, 22 Oct. 2026

Definition of poison

Noun

In late May, about 50,000 people in Orange County were evacuated because, at a Garden Grove site operated by GKN Aerospace, tanks holding a volatile hazardous chemical called methyl methacrylate were at risk of exploding or leaking toxics.

— Patt Morrison, Los Angeles Times, 15 July 2026
Munoz is an independent toxicologist working in collaboration with MAHA against pesticides and toxics.

— Sandee LaMotte, CNN Money, 10 July 2026

Definition of toxic

Noun

Depending on the species, that could mean breeding animals in captivity and releasing them, restoring habitat, managing disease, or controlling invasive species.

— Sydney Lake, Fortune, 21 Oct. 2026
Beeswax, honey, and pollen each possess their own particular antimicrobial and chemical properties that, taken together, repel disease and encourage helpful fungi.

— Amanda Erickson, STAT, 20 Oct. 2026

Definition of disease

Noun

After weighing a few options, the team settled on scorpion antivenom, a costly treatment that can be difficult to produce, often involving injecting venom into horses.

— Robert Hart, The Verge, 22 Oct. 2026
Existing antivenoms are generally produced by immunizing animals, including horses, with venom and extracting antibodies from their blood.

— Neetika Walter, Interesting Engineering, 20 Oct. 2026

Definition of venom

Browse Nearby Words

toxics

toxin

toxins

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“Toxin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxin. Accessed 28 Oct. 2026.

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Synonyms of toxin

noun

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