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
Sun Sentinel Editorial Board,
Sun Sentinel,
29 June 2026
Potatoes naturally contain glycoalkaloids, but sprouting and green coloring indicate an increase in these compounds and a higher risk of toxic effects like vomiting and stomach upset.
—
Aly Walansky,
Southern Living,
29 June 2026
Sarah Todd,
STAT,
1 May 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
Our allegiance to Israel must end because this friendship is toxic.
—
Sun Sentinel Editorial Board,
Sun Sentinel,
29 June 2026
Potatoes naturally contain glycoalkaloids, but sprouting and green coloring indicate an increase in these compounds and a higher risk of toxic effects like vomiting and stomach upset.
—
Aly Walansky,
Southern Living,
29 June 2026
Noun
Manufacturers should be diligently working to clean up their supply chains and manufacturing practices to ensure their products are free of PFAS and other toxics.
—
Sarah Todd,
STAT,
1 May 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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All of this played out against an increasingly poisonous political environment.
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Sago palm, oleander, foxglove, azaleas and lily of the valley are all common and all poisonous.
Noun
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That second episode was The Lion and the Rose, Joffrey and Margaery’s poison-interrupted wedding.
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Rather than relying solely on poison, the researchers recommend combining multiple control methods, including sealing entry points, improving sanitation, removing food sources and using traps.
Noun
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The shipment includes emergency health kits for urgent medical care, including supplies for safe births, newborn care, disease prevention and treatment, according to the United Nations.
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The rabies vaccine, if administered immediately after exposure, is nearly 100% successful at preventing the disease, according to the World Health Organization.
Noun
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Their use may last seconds, but the plastic and its toxins live well beyond us.
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Patients might be women in their 30s with an autoimmune disease like lupus or people of any age exposed to such toxins as methamphetamines or, in the past, the fen-phen appetite suppressant drug of the 1990s, later withdrawn after being linked to heart disease.
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 5 Jul. 2026.
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