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
Health Editorial Team, Health, 17 Oct. 2025
They have been recorded grabbing toxic millipedes and, rather than avoiding them, chewing and rubbing the secretions into their fur, especially around sensitive areas.
—Kaif Shaikh, Interesting Engineering, 17 Oct. 2025
Wayne Messam, Sun Sentinel, 15 June 2025
The politics at Oakland Unified have moved from contentious to outright toxic in the past two years, with the board split on key votes around financial decisions.
—Shomik Mukherjee, Mercury News, 31 May 2025
See All Example Sentences for toxic
Adjective
Nonprofit group Consumer Reports (CR) shared findings Tuesday from a new investigation into toxic heavy metals found in protein powders.
—Health Editorial Team, Health, 17 Oct. 2025
They have been recorded grabbing toxic millipedes and, rather than avoiding them, chewing and rubbing the secretions into their fur, especially around sensitive areas.
—Kaif Shaikh, Interesting Engineering, 17 Oct. 2025
Noun
Just last week, for example, the Trump administration, through its Environmental Protection Agency, proposed to withdraw two rules imposing air toxics and greenhouse gas limits on fossil-fuel power plants.
—Wayne Messam, Sun Sentinel, 15 June 2025
The politics at Oakland Unified have moved from contentious to outright toxic in the past two years, with the board split on key votes around financial decisions.
—Shomik Mukherjee, Mercury News, 31 May 2025
See All Example Sentences for toxic
Recent Examples of Synonyms for toxic
Adjective
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Nothing was more freeing than finally realizing how poisonous these people are.—
Christina Dugan Ramirez,
FOXNews.com,
21 Oct. 2025
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The scorpion, who will sting with their poisonous venom when hurt, is extremely intuitive and highly aware of their surroundings.—
Lisa Stardust,
Refinery29,
21 Oct. 2025
Noun
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Disney Villains have broken out of the Halloween season and moved into more permanent homes at Disney theme parks, where their poison apples and magic potions promise to turn happily ever after into a nightmare fantastic on a year-round basis.—
Brady MacDonald,
Oc Register,
17 Oct. 2025
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Alcohol is effectively a poison.—
Big Think,
Big Think,
15 Oct. 2025
Noun
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Indoor cats live for 15 to 17 years on average, while outdoor felines live only for 2 to 5 years due to dangers such as extreme temperatures, wildlife, and disease.—
Maria Azzurra Volpe,
MSNBC Newsweek,
22 Oct. 2025
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In fact, foods like fatty fish, olive oil, berries, and leafy greens have strong evidence supporting their strong anti-inflammatory effects and their ability to protect against chronic inflammatory diseases.—
Jillian Kubala,
Health,
22 Oct. 2025
Noun
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In the waters from Oregon to the Sonoma/Mendocino line, state health officials determined that high levels of a toxin called domoic acid would pose a public health risk, hence the order banning recreational crabbing until further notice.—
Linda Zavoral,
Mercury News,
26 Oct. 2025
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And your best defense against lead –– and any other toxin –– is a diverse, nutritionally dense diet, Zagorski said.—
Madeline Holcombe,
CNN Money,
25 Oct. 2025
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 29 Oct. 2025.
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