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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Recent Examples of toxin
Recalled for potentially containing harmful bacteria or toxins.
—
Josh Kelly, Oklahoman, 27 Feb. 2026
Then, your gut microbiome can start making toxins.
—Korin Miller, SELF, 27 Feb. 2026
The natural mineral water also has high levels of sodium, which helps maintain blood pressure levels, and sulfate, which is said to help rid the body of toxins and promote healthy hair, skin, and nails.
—Evie Carrick, Travel + Leisure, 27 Feb. 2026
The disease occurs when babies ingest botulism spores that germinate in the intestine and produce a dangerous toxin that attacks the nervous system.
—CBS News, 27 Feb. 2026
See All Example Sentences for toxin
Josh Kelly, Oklahoman, 27 Feb. 2026
Then, your gut microbiome can start making toxins.
—Korin Miller, SELF, 27 Feb. 2026
The natural mineral water also has high levels of sodium, which helps maintain blood pressure levels, and sulfate, which is said to help rid the body of toxins and promote healthy hair, skin, and nails.
—Evie Carrick, Travel + Leisure, 27 Feb. 2026
The disease occurs when babies ingest botulism spores that germinate in the intestine and produce a dangerous toxin that attacks the nervous system.
—CBS News, 27 Feb. 2026
See All Example Sentences for toxin
Recent Examples of Synonyms for toxin
Noun
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Will these poisons leach into other fresh groundwater or private wells?—
Letters to the Editor,
The Orlando Sentinel,
7 Mar. 2026
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To get rid of moles, there is no need to reach for chemical poisons—there are plenty of natural ways to deter moles.—
Nadia Hassani,
The Spruce,
7 Mar. 2026
Noun
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Taking supporting women’s wrongs—and rights—to new levels, everyone’s favorite toxic on-screen Girl Boss duo are back for a fourth season of Industry: Harper Stern and Yasmin Kara-Hanani.—
Chloe Laws,
Condé Nast Traveler,
23 Jan. 2026
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The Michigan Legislature passed a law in 2008 meant to protect the public from harmful electronic waste toxics.—
Nushrat Rahman,
Freep.com,
27 Dec. 2025
Noun
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Detainees have described a camp where an average of about 3,000 people per day live in loud and unsanitary quarters, diseases spread easily and sleep is a luxury.—
Arkansas Online,
Arkansas Online,
5 Mar. 2026
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That same month, Stewart, who had dedicated his career to ticks and Lyme disease as a federal scientist, retired early.—
Rachana Pradhan,
CNN Money,
5 Mar. 2026
Noun
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Toxins in many animal venoms, for example, are peptides.—
Dominique Mosbergen,
Time,
24 Feb. 2026
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Treasury secretary blasts 'venom' from left after deadly Mar-a-Lago incident.—
,
FOXNews.com,
23 Feb. 2026
Cite this Entry
“Toxin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxin. Accessed 9 Mar. 2026.
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