as in poisonous
containing or contaminated with a substance capable of injuring or killing a living thing
certain plants are toxic if eaten
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Antonyms & Near Antonyms
as in poison
a substance that by chemical action can kill or injure a living thing
tested for toxics in the water supply
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of toxic
Guy Lodge, Variety, 8 Feb. 2025
In this case, companies are eliminating information and rhetoric that has become politically toxic.
—Maria Aspan, NPR, 7 Feb. 2025
Janet Wilson, USA TODAY, 3 May 2024
Humans are filling the world's atmosphere with greenhouse gases, tainting its aquifer and surface water with deadly pollutants, eroding its soils, and allowing damaging toxics to build up in human bodies.
—Frances Beinecke, Foreign Affairs, 1 Sep. 2012
See all Example Sentences for toxic 
Adjective
But there’s a timely chill to its slowly spiraling demonstration of how easily communities can thrill to any man brazen enough to declare himself closer to God than others, and toxic enough to reap the benefits of that trust for himself alone.
—Guy Lodge, Variety, 8 Feb. 2025
In this case, companies are eliminating information and rhetoric that has become politically toxic.
—Maria Aspan, NPR, 7 Feb. 2025
Noun
But scientists and environmentalists note forever chemicals and other toxics can persist in the fluid.
—Janet Wilson, USA TODAY, 3 May 2024
Humans are filling the world's atmosphere with greenhouse gases, tainting its aquifer and surface water with deadly pollutants, eroding its soils, and allowing damaging toxics to build up in human bodies.
—Frances Beinecke, Foreign Affairs, 1 Sep. 2012
See all Example Sentences for toxic
Recent Examples of Synonyms for toxic
Adjective
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The smoke and ash from structures and cars can contain more than a hundred toxic chemicals and poisonous gases, according to state officials.—
Tony Briscoe,
Los Angeles Times,
30 Jan. 2025
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The bacteria survived, protected and fed by the fungus—and the fungus scored a poisonous partner.—
Molly Herring,
WIRED,
26 Jan. 2025
Noun
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Cleveland doctors would soon find a deadly dose of the same poison in her sister’s stomach.—
Mara Bovsun,
New York Daily News,
9 Feb. 2025
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Their days are taken up with shooting practice, lobster racing, pelting men with fruit, and slipping poison into unattended cups of tea—and best of all, there isn’t a damsel in distress in sight.—
Radhika Seth,
Vogue,
9 Feb. 2025
Noun
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If the situation worsens, companies may have to source oranges from countries even farther abroad, such as Spain, Italy, Turkey, and India, where the disease is less pronounced.—
Yasmin Tayag,
The Atlantic,
4 Feb. 2025
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The research revealed not only how this system is altered by the disease, but also found distinctive breathing patterns in affected individuals.—
Michael Franco,
New Atlas,
3 Feb. 2025
Noun
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The test uses children’s hair strands to analyze their metabolic histories, which tell the story of the substances or toxins they have been exposed to or have processed over time, Arora previously told NBC News.—
Evan Bush,
NBC News,
6 Feb. 2025
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Made with white clay sourced from the Amazon, this purifying mask helps suck up dirt, oil, and toxins that can clog pores, leaving your skin feeling fresh and smooth.—
Christa Joanna Lee,
Allure,
4 Feb. 2025
Thesaurus Entries Near toxic
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 13 Feb. 2025.
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