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
However, new evidence indicates that exposure to the poisonous element is not necessarily a new issue.
—
Andrew Paul, Popular Science, 15 Oct. 2025
The result has been a series of poisonous IMF prescriptions.
—Jason Ma, Fortune, 13 Oct. 2025
Mothballs are poisonous and represent a significant danger to the family dog, especially those that tend to eat first and ask questions later.
—Paul Cappiello, Louisville Courier Journal, 10 Oct. 2025
Horse chestnuts are poisonous and not edible.
—Jenna Prestininzi, Freep.com, 9 Oct. 2025
See All Example Sentences for poisonous
Andrew Paul, Popular Science, 15 Oct. 2025
The result has been a series of poisonous IMF prescriptions.
—Jason Ma, Fortune, 13 Oct. 2025
Mothballs are poisonous and represent a significant danger to the family dog, especially those that tend to eat first and ask questions later.
—Paul Cappiello, Louisville Courier Journal, 10 Oct. 2025
Horse chestnuts are poisonous and not edible.
—Jenna Prestininzi, Freep.com, 9 Oct. 2025
See All Example Sentences for poisonous
Recent Examples of Synonyms for poisonous
Adjective
-
Constant procedural upheaval and backlogs are poison.—
Scott White,
Forbes.com,
15 Aug. 2025
-
Behavior and reproduction Most frogs are nocturnal, but not poison frogs.—
National Geographic,
National Geographic,
28 Feb. 2020
Adjective
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Many people are most familiar with ginkgo biloba dietary supplements; those are derived from the non-toxic leaves, not the seeds.—
Ariane Lange,
Sacbee.com,
28 Oct. 2025
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Much of this year’s online discourse has grown particularly toxic, as many WNBA fans ruthlessly tear down players in the name of their faves, with many of these players experiencing a torrent of online and verbal abuse.—
Emily Tannenbaum,
Glamour,
27 Oct. 2025
Adjective
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Rather than the stiff alien chitchat that dots his own screenplays, the characters in The Favourite trade the witty, venomous bon mots of The Great creator Tony McNamara.—
A.A. Dowd,
Vulture,
24 Oct. 2025
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With advances in video technology, a group from Monash University in Australia are getting an up-close-and-personal look at how venomous viper, elapid, and colubrid snakes flex their fangs.—
Laura Baisas,
Popular Science,
23 Oct. 2025
Cite this Entry
“Poisonous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/poisonous. Accessed 29 Oct. 2025.
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