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
-
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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Besides being nuisances, many types carry diseases including West Nile virus, encephalitis, and canine heartworm.—
Arricca Elin SanSone,
Southern Living,
11 May 2025
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Minnesota newborns will soon be screened for a disease that can lead to delays in developmental milestones, regression of skills, seizures and in some cases death.—
Kristi Miller,
Twin Cities,
10 May 2025
Noun
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Eventually the algae decrease or disappear and the shellfish flush the toxins from their systems, according to health officials.—
Karen Garcia,
Los Angeles Times,
10 May 2025
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She was promptly treated for Toxic shock syndrome (TSS), a rare, but potentially fatal condition where toxins spread into the bloodstream.—
Cara Lynn Shultz,
People.com,
9 May 2025
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 24 May. 2025.
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