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
Abbey Mastracco,
New York Daily News,
19 June 2026
But beyond the schadenfreude, toxic algae blooms are a worldwide phenomenon that can harm humans and devastate marine life.
—
Harriet Marsden,
TheWeek,
18 June 2026
Chloe Laws,
Condé Nast Traveler,
23 Jan. 2026
The Michigan Legislature passed a law in 2008 meant to protect the public from harmful electronic waste toxics.
—
Nushrat Rahman,
Freep.com,
27 Dec. 2025
See All Example Sentences for toxic
Adjective
Mendoza has been one of the only people from the Mets to attempt to dispel the narrative that Lindor led a toxic clubhouse.
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Abbey Mastracco,
New York Daily News,
19 June 2026
But beyond the schadenfreude, toxic algae blooms are a worldwide phenomenon that can harm humans and devastate marine life.
—
Harriet Marsden,
TheWeek,
18 June 2026
Noun
Taking supporting women’s wrongs—and rights—to new levels, everyone’s favorite toxic on-screen Girl Boss duo are back for a fourth season of Industry: Harper Stern and Yasmin Kara-Hanani.
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Chloe Laws,
Condé Nast Traveler,
23 Jan. 2026
The Michigan Legislature passed a law in 2008 meant to protect the public from harmful electronic waste toxics.
—
Nushrat Rahman,
Freep.com,
27 Dec. 2025
See All Example Sentences for toxic
Recent Examples of Synonyms for toxic
Adjective
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The cane toad, also known as the bufo toad or the marine toad, is known for the large, poisonous glands behind its eyes that secrete toxins when it’s touched.
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Berlin — Authorities across Germany have been battling an aggressive outbreak of poisonous caterpillars, which can cause severe health issues and have led to the closure of parks and other outdoor spaces, including in Berlin.
Noun
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America’s youth have been increasingly abusing common over-the-counter medications, according to poison center records.
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So the question is why and how our moment of—pick your poison—late capitalism, permanent emergency, the death of the Anthropocene—has turned to an old form to describe the oxymoronic simultaneity of pathos and bathos, horror and the risible.
Noun
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Speaking with Seacoast Online, part of the USA TODAY Network, three years after his diagnosis, Hall said the symptoms of the disease can come and go.
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While bedbugs are not known to spread or transmit disease, the Environmental Protection Agency considers the parasitic insects a pest that can cause other public health issues such as allergic reactions, secondary infections and mental health impacts on those living in infested homes.
Noun
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Major organs start to shut down – the barriers that separate the gut from the rest of the intestines can become more porous, leaking deadly toxins into the bloodstream and the heart fails.
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Normally that barrier lets nutrients through while blocking bacteria and toxins.
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 27 Jun. 2026.
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