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
Mrigakshi Dixit, Interesting Engineering, 5 Mar. 2026
Triarchy says the technology reduces water use by over 90 percent, eliminates toxic effluents, shortens production timelines and cuts costs.
—Angela Velasquez, Sourcing Journal, 5 Mar. 2026
Noelle Phillips, Denver Post, 30 Sep. 2025
In 2023, 20 steel mills and coke plants nationwide emitted nearly 2.4 million pounds of air toxics, 289,722 tons of criteria air pollutants and 43.3 million metric tons of greenhouse gases, according to the study.
—Maya Wilkins, Chicago Tribune, 1 Sep. 2025
See All Example Sentences for toxic
Adjective
This symbiotic pairing allowed the plants to efficiently absorb essential nutrients while simultaneously filtering out toxic heavy metals.
—Mrigakshi Dixit, Interesting Engineering, 5 Mar. 2026
Triarchy says the technology reduces water use by over 90 percent, eliminates toxic effluents, shortens production timelines and cuts costs.
—Angela Velasquez, Sourcing Journal, 5 Mar. 2026
Noun
Environmental advocates say the new regulation of air toxics, which was required under a 2022 bill called Public Protections From Toxic Air Contaminants, will make the state’s air cleaner and its people healthier.
—Noelle Phillips, Denver Post, 30 Sep. 2025
In 2023, 20 steel mills and coke plants nationwide emitted nearly 2.4 million pounds of air toxics, 289,722 tons of criteria air pollutants and 43.3 million metric tons of greenhouse gases, according to the study.
—Maya Wilkins, Chicago Tribune, 1 Sep. 2025
See All Example Sentences for toxic
Recent Examples of Synonyms for toxic
Adjective
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And in Season 11, before the game even started, castaways hiked 11 miles through the Guatemalan jungle—a 24-hour trek in 100-degree heat that resulted in one collapse, one biceps tear, one vomiting spell, and one puncture wound from a poisonous tree barb.—
Kristen Geil,
Outside,
24 Feb. 2026
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This was always a question of what happens to this friend group when there’s a poisonous dynamic at the center?—
Hanna Wickes,
Charlotte Observer,
20 Feb. 2026
Noun
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Will these poisons leach into other fresh groundwater or private wells?—
Letters to the Editor,
The Orlando Sentinel,
7 Mar. 2026
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To get rid of moles, there is no need to reach for chemical poisons—there are plenty of natural ways to deter moles.—
Nadia Hassani,
The Spruce,
7 Mar. 2026
Noun
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Detainees have described a camp where an average of about 3,000 people per day live in loud and unsanitary quarters, diseases spread easily and sleep is a luxury.—
Arkansas Online,
Arkansas Online,
5 Mar. 2026
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That same month, Stewart, who had dedicated his career to ticks and Lyme disease as a federal scientist, retired early.—
Rachana Pradhan,
CNN Money,
5 Mar. 2026
Noun
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Algal blooms occur when warmer temperatures cause cyanobacteria to grow in excess, producing harmful toxins.—
Outside,
Outside,
5 Mar. 2026
-
According to Ayurveda, warm water clears toxins and energy blockages.—
Sarah Bence,
Verywell Health,
4 Mar. 2026
Cite this Entry
“Toxic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/toxic. Accessed 9 Mar. 2026.
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