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
Relevance
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
Synonyms & Similar Words
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 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
-
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
-
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
-
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
-
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
-
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
-
Fighting the disease for over 30 years, Peters and his charity fundraised and sought to raise awareness on new treatments for cancer patients.—
Ethan Millman,
HollywoodReporter,
29 Apr. 2025
Noun
-
According to Johns Hopkins Medicine, the cause of Bell’s Palsy is unknown but it can be triggered by high blood pressure, an infection, diabetes or toxins in one’s system.—
Ellise Shafer,
Variety,
15 Apr. 2025
-
Vultures also have extremely strong stomach acid, don’t get food poisoning and are able to consume and neutralize anthrax, botulism and other bacteria and toxins in carcasses that would kill other animals, removing deadly threats from the environment.—
Gerald Imray,
Chicago Tribune,
12 Apr. 2025
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 3 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share