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
Perry Vandell, AZCentral.com, 14 July 2025
Poison hemlock, a highly toxic plant that can cause symptoms including vomiting, seizures and respiratory failure if ingested.
—Sacbee.com, 14 July 2025
Michael Hawthorne, Chicago Tribune, 25 May 2025
The toxics killed fish and wildlife, closed beaches, and endangered environmentally sensitive areas.
—Meredith Colias-Pete, Chicago Tribune, 19 Apr. 2025
See All Example Sentences for toxic
Adjective
Curt Stanley, an air traffic controller fighting the fire, said that two helicopters were initially able to fight the fire near the chlorine leak but eventually had to withdraw due to safety concerns for pilots who could breathe toxic fumes.
—Perry Vandell, AZCentral.com, 14 July 2025
Poison hemlock, a highly toxic plant that can cause symptoms including vomiting, seizures and respiratory failure if ingested.
—Sacbee.com, 14 July 2025
Noun
The more stringent standards effectively limit emissions of other toxics, including benzene, lead and arsenic.
—Michael Hawthorne, Chicago Tribune, 25 May 2025
The toxics killed fish and wildlife, closed beaches, and endangered environmentally sensitive areas.
—Meredith Colias-Pete, Chicago Tribune, 19 Apr. 2025
See All Example Sentences for toxic
Recent Examples of Synonyms for toxic
Adjective
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Almost every state has a variety of snake species, both poisonous and nonvenomous.—
Janet Loehrke,
USA Today,
11 July 2025
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Knowing that he's developed a bond with Dr. Ochoa, Tessa stages a scene in which John Perry (Ian McQuown), a member of the network, attempts to kill Dr. Ochoa via one of Voit's favorite methods: a poisonous Sicarius spider dropped into her mouth.—
Randall Colburn,
EW.com,
10 July 2025
Noun
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Just to name a few of the problems: gravity is too low, the radiation is too high, there’s no air, and the dirt is made of poison.—
Alex Morris,
Rolling Stone,
14 July 2025
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His rise is fueled by performance — raw charisma molded by handlers into populist poison.—
arkansasonline.com,
arkansasonline.com,
10 July 2025
Noun
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Vaccination Rates Are Declining Despite the safety and efficacy of the vaccine, and the potential severity of the disease, vaccination rates are declining.—
Dave Wessner,
Forbes.com,
10 July 2025
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Sitting or standing on the plate for just a few minutes can help with lymphatic drainage, in return reducing swelling, boosting the immune system, and lessening the chance of disease.—
Kristin Auble,
Vogue,
10 July 2025
Noun
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This bacterial strain, often found on your skin, produces toxins that can cause food poisoning in people who consume contaminated food.—
Sarah Bradley,
Health,
10 July 2025
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Members receive comprehensive diagnostic testing each year, including biomarker panels and specialty tests that evaluate hormones, genetics and potential toxin exposure.—
Lauryn Higgins,
Flow Space,
10 July 2025
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 24 Jul. 2025.
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