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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Recent Examples of poisonous
The pair’s relationship was toxic even before the poisonous mushrooms came into play, and Marie-Claude has issues with her own adult child as well.
—
David Opie, IndieWire, 3 Apr. 2025
But Palpatine's genius is less about those poisonous whispers than his plot to isolate Anakin from his friends.
—Richard Edwards, Space.com, 24 Apr. 2025
The Big Bay Boom fireworks create a toxic fog of fine particles, poisonous aerosols and heavy metals that harm air, water and soil — posing serious risks to birds, wildlife, pets and people.
—U T Readers, San Diego Union-Tribune, 22 Apr. 2025
TikTok, one particularly problematic Chinese export, is mental fentanyl designed to addict the Western masses and dupe them into poisonous ideologies—and Communist Party spyware, to boot.
—David Faris, MSNBC Newsweek, 11 Apr. 2025
See All Example Sentences for poisonous
David Opie, IndieWire, 3 Apr. 2025
But Palpatine's genius is less about those poisonous whispers than his plot to isolate Anakin from his friends.
—Richard Edwards, Space.com, 24 Apr. 2025
The Big Bay Boom fireworks create a toxic fog of fine particles, poisonous aerosols and heavy metals that harm air, water and soil — posing serious risks to birds, wildlife, pets and people.
—U T Readers, San Diego Union-Tribune, 22 Apr. 2025
TikTok, one particularly problematic Chinese export, is mental fentanyl designed to addict the Western masses and dupe them into poisonous ideologies—and Communist Party spyware, to boot.
—David Faris, MSNBC Newsweek, 11 Apr. 2025
See All Example Sentences for poisonous
Recent Examples of Synonyms for poisonous
Adjective
-
Behavior and reproduction Most frogs are nocturnal, but not poison frogs.—
National Geographic,
National Geographic,
28 Feb. 2020
-
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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According to the European Parliament, the fashion industry is responsible for 20% of global industrial water contamination, largely due to toxic dyes and runoff from textile production.—
Monica Sanders,
Forbes.com,
3 May 2025
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Heavy trucks still clog roads, and residents worry about toxic dust and soil, and about hazardous waste being dumped into local landfills.—
Francine Kiefer,
Christian Science Monitor,
2 May 2025
Adjective
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The paper’s authors sought to make an antivenom that would protect against a wide range of the world’s 600-plus venomous snake species.—
Katherine Bourzac,
Scientific American,
7 May 2025
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The snakes come from the elapid family and include cobras, mambas, taipans, coral snakes, and kraits — among other venomous species.—
Monica Cull,
Discover Magazine,
2 May 2025
Cite this Entry
“Poisonous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/poisonous. Accessed 13 May. 2025.
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