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
Paige Porter Fischer, Better Homes & Gardens, 22 Apr. 2025
This had over 5,000 signatures by Sunday night, while social media rapidly grew toxic and abusive in both directions.
—Adam Crafton, New York Times, 22 Apr. 2025
Scott Travers, Forbes, 22 Nov. 2024
According to Apolo, theobromine, an alkaloid in the cacao beans used to make chocolate, makes chocolate toxic to canines.
—Kelli Bender, People.com, 29 Oct. 2024
See All Example Sentences for toxic
Adjective
Some products that are vegan are also synthetic and toxic, off-gassing for weeks or months inside your home.
—Paige Porter Fischer, Better Homes & Gardens, 22 Apr. 2025
This had over 5,000 signatures by Sunday night, while social media rapidly grew toxic and abusive in both directions.
—Adam Crafton, New York Times, 22 Apr. 2025
Noun
Fipronil is also high toxic to fish and aquatic invertebrates.
—Scott Travers, Forbes, 22 Nov. 2024
According to Apolo, theobromine, an alkaloid in the cacao beans used to make chocolate, makes chocolate toxic to canines.
—Kelli Bender, People.com, 29 Oct. 2024
See All Example Sentences for toxic
Recent Examples of Synonyms for toxic
Adjective
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But Palpatine's genius is less about those poisonous whispers than his plot to isolate Anakin from his friends.—
Richard Edwards,
Space.com,
24 Apr. 2025
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The Big Bay Boom fireworks create a toxic fog of fine particles, poisonous aerosols and heavy metals that harm air, water and soil — posing serious risks to birds, wildlife, pets and people.—
U T Readers,
San Diego Union-Tribune,
22 Apr. 2025
Noun
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So after Ware was schooled, all too often caught out of position against the outside-inside game that resulted in a toxic case of pick your poison for the affable big man, the next chore is going back to school.—
Ira Winderman,
Sun Sentinel,
21 Apr. 2025
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In a review of six cases of intentional pong pong seed ingestion reported to U.S. poison control centers, all were treated at a hospital, but only three survived.—
Emily Kay Votruba,
EverydayHealth.com,
8 Apr. 2025
Noun
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While much research is still needed into the disease’s progression, Edgerly said people can take steps to potentially reduce their risk.—
Khloe Quill,
FOXNews.com,
29 Apr. 2025
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Pakistan is writing a new story of hope in which every child can survive and thrive and communities are protected from this preventable disease.—
Forbes.com,
Forbes.com,
29 Apr. 2025
Noun
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This month, whales have died in Long Beach and Huntington Beach from the toxin and dozens of pelicans have become ill, with their offspring on the brink of starvation.—
Summer Lin,
Los Angeles Times,
30 Apr. 2025
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Inspectors say more than 100 sites could remain in Syria after the fall of the longtime president, raising concerns about who controls the deadly toxins.—
Raja Abdulrahim,
New York Times,
28 Apr. 2025
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 5 May. 2025.
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