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
Ethan Shanfeld, Variety, 15 May 2025
Inorganic arsenic is more toxic to humans than the naturally occurring form of the mineral arsenic, and the health effects from exposure are more severe, according to the FDA.
—Jordan Freiman, CBS News, 15 May 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
Defense attorneys argue that Combs’ domestic violence is a result of a toxic relationship with Ventura that was fraught with drug use and infidelity.
—Ethan Shanfeld, Variety, 15 May 2025
Inorganic arsenic is more toxic to humans than the naturally occurring form of the mineral arsenic, and the health effects from exposure are more severe, according to the FDA.
—Jordan Freiman, CBS News, 15 May 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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The attack, which only killed the bomber but could have been much worse, is an act worthy of perhaps the dumbest and most poisonous ideology on the planet right now.—
Rich Lowry,
National Review,
19 May 2025
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From such small radioactive acorns do poisonous oaks grow.—
Adam Gopnik,
New Yorker,
19 May 2025
Noun
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The boy stopped the dog from eating the meatball, which was filled with rodent poison pellets, police said.—
Jennifer Rodriguez,
Kansas City Star,
15 May 2025
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Even Rita, who can no longer trust Nick to get her and her family out of Gilead, agrees to bake the poison cake.—
Amanda Whiting,
Vulture,
6 May 2025
Noun
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The Mayo Clinic says the disease is most often diagnosed when people are in their mid-60s.—
Christie D’Zurilla,
Los Angeles Times,
23 May 2025
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The fungal disease does not spread from person to person, according to the CDC.—
Julia Gomez,
USA Today,
23 May 2025
Noun
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These microbes help digest food, regulate the immune system and, in some cases, produce toxins that interact with our bodies in unexpected ways.—
Adaira Landry,
Forbes.com,
23 May 2025
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The report will offer a comprehensive look at how Americans have become sick from exposure to toxins in food, environment and pharmaceutical drugs.—
Nicole Fallert,
USA Today,
22 May 2025
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 29 May. 2025.
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