as in poisoned
containing or contaminated with a substance capable of injuring or killing a living thing
some evil person was leaving out poisonous meat for neighborhood dogs to eat
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Examples of poisonous in a Sentence
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Recent Examples on the Web
Los Angeles County officials are asking the Pasadena community for help identifying a person who has been leaving foods that are poisonous to dogs near a canine boarding and daycare facility.
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Karen Garcia, Los Angeles Times, 10 Sep. 2024
The killing fevers preying on missionaries, relentless heat, poisonous snakes and insects, wild animals, bloody wars natives wage upon each other, armed, financed by Belgian companies, floods, starvation, diseases cutting people down every day.
—Andrew Cockburn, Harper's Magazine, 20 Aug. 2024
Our expedition team is downright gleeful here, as if crocs, venomous spiders, and poisonous snakes add to the allure.
—Janice Wald Henderson, Travel + Leisure, 12 Aug. 2024
Belladonna is a poisonous plant grown in parts of Asia, Europe, and the United States.
—Mary Choy, Health, 9 Oct. 2024
See all Example Sentences for poisonous 
Karen Garcia, Los Angeles Times, 10 Sep. 2024
The killing fevers preying on missionaries, relentless heat, poisonous snakes and insects, wild animals, bloody wars natives wage upon each other, armed, financed by Belgian companies, floods, starvation, diseases cutting people down every day.
—Andrew Cockburn, Harper's Magazine, 20 Aug. 2024
Our expedition team is downright gleeful here, as if crocs, venomous spiders, and poisonous snakes add to the allure.
—Janice Wald Henderson, Travel + Leisure, 12 Aug. 2024
Belladonna is a poisonous plant grown in parts of Asia, Europe, and the United States.
—Mary Choy, Health, 9 Oct. 2024
See all Example Sentences for poisonous
Recent Examples of Synonyms for poisonous
Adjective
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Behavior and reproduction Most frogs are nocturnal, but not poison frogs.National Geographic, National Geographic, 28 Feb. 2020
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Some farmers even intentionally poison cranes to stop them from foraging in their crops.National Geographic, National Geographic, 10 Feb. 2020
Adjective
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Secondhand marijuana smoke has many of the same carcinogens and toxic chemicals as secondhand tobacco smoke, along with THC, the active ingredient in cannabis.David Stempel, The Mercury News, 9 Nov. 2024
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In Phoenix, the industry's early history was toxic, contributing to groundwater pollution that government agencies are still addressing.Austin Corona, The Arizona Republic, 4 Nov. 2024
Adjective
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While rattlesnake bites are venomous and potentially dangerous, fatalities are relatively low, especially when medical attention is received quickly after a bite.Marco Rubio, Newsweek, 2 Nov. 2024
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Invasive species:Are flying, venomous Joro spiders moving north?Gabe Hauari, USA TODAY, 24 Oct. 2024
Thesaurus Entries Near poisonous
Cite this Entry
“Poisonous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/poisonous. Accessed 17 Nov. 2024.
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