Definition of toxinnext
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

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

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 It’s been around for generations, and so has the idea that flushing the colon can remove toxins and residue. Erica Sweeney, Time, 11 May 2026 Safe Storage Tips Properly storing your potatoes can help prevent sprouting and toxin build-up. Mark Gurarie, Verywell Health, 10 May 2026 Dirt sampled from East Potomac tested positive for lead, mercury, chloroform, and other toxins, NPS concluded in a recent report. David Zimmermann, The Washington Examiner, 9 May 2026 And while the law largely governs toxins, the rollback has also undermined action on climate change, including repealing the legal theory used to classify greenhouse gas emissions like carbon dioxide as regulated pollutants. Mark Olalde, ProPublica, 8 May 2026 See All Example Sentences for toxin
Recent Examples of Synonyms for toxin
Noun
  • Officials are relying heavily on poison control reports and are working to add amatoxin poisoning to the state’s list of reportable conditions.
    Anthony Thompson, USA Today, 16 May 2026
  • On its lip, a small snail is not only basking in the poison but converting it into a shell that is part iron.
    Adam Kovac, Scientific American, 15 May 2026
Noun
  • Manufacturers should be diligently working to clean up their supply chains and manufacturing practices to ensure their products are free of PFAS and other toxics.
    Sarah Todd, STAT, 1 May 2026
  • 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
Noun
  • The World Health Organization (WHO) has also reported new hantavirus cases in Spain and France, drawing attention to the rare but potentially severe disease, which can cause serious respiratory complications in humans.
    Brittany Miller, FOXNews.com, 14 May 2026
  • People with conditions like irritable bowel syndrome (IBS), Crohn’s disease, or colitis may not tolerate high-fiber meals as well and sometimes require a lower-fiber approach.
    Kathleen Ferraro, Verywell Health, 13 May 2026
Noun
  • When picturing a predator, most people envision an animal with immense speed, sharp teeth or deadly venom.
    Scott Travers, Forbes.com, 9 May 2026
  • Some people have an allergic reaction to the venom.
    Brandee Gruener, Southern Living, 7 May 2026

Browse Nearby Words

Cite this Entry

“Toxin.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxin. Accessed 18 May. 2026.

More from Merriam-Webster on toxin

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster