as in poisonous
containing or contaminated with a substance capable of injuring or killing a living thing
certain plants are toxic if eaten
Synonyms & Similar Words
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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
Mikey O'Connell, HollywoodReporter, 4 June 2026
Without garbage collection, residents have begun burning waste in the streets, raising alarm among health officials over potentially toxic smoke.
—ABC News, 4 June 2026
Chloe Laws, Condé Nast Traveler, 23 Jan. 2026
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
See All Example Sentences for toxic
Adjective
The whole concept of toxic fandom confuses me because, outside of the anger and backwards thinking, because who cares about a movie franchise that much?
—Mikey O'Connell, HollywoodReporter, 4 June 2026
Without garbage collection, residents have begun burning waste in the streets, raising alarm among health officials over potentially toxic smoke.
—ABC News, 4 June 2026
Noun
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
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
See All Example Sentences for toxic
Recent Examples of Synonyms for toxic
Adjective
-
Not only are the leaves poisonous to humans and pets, but the vine itself is invasive and can spread disease to trees.—
Samantha Johnson,
Martha Stewart,
7 June 2026
-
The consequences ranged from hobbling Reconstruction to hastening the end of the Ottoman Empire to poisonous deflation, and the blundering response by governments helped shape the modern world.—
Air Mail,
Air Mail,
6 June 2026
Noun
-
While keeping poison off the streets is paramount, rescuing those caught in the grip of addiction is the equally vital second half of Florida’s strategy.—
John Koufos,
Sun Sentinel,
2 June 2026
-
In 2024, poison control centers started tracking 7-OH, a synthetic kratom derivative.—
Tara Molina,
CBS News,
1 June 2026
Noun
-
The full suite of vaccines against childhood diseases was almost complete by 1970.—
Literary Hub,
Literary Hub,
11 June 2026
-
The deadly plague is called Pierce’s disease.—
Seamus Bozeman
Follow,
Los Angeles Times,
11 June 2026
Noun
-
Seals, sea lions, baleen whales and seabirds all experienced die-offs, likely because of a lack of food and an increase in toxins from algal blooms, Leising said.—
Evan Bush,
NBC news,
11 June 2026
-
More people are understanding the risks of plastic and toxins in packaging.—
Voice of the People,
New York Daily News,
11 June 2026
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 13 Jun. 2026.
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