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
Nothing was more freeing than finally realizing how poisonous these people are.
—
Christina Dugan Ramirez, FOXNews.com, 21 Oct. 2025
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
His career was spent helping the sheep and goat raisers with plants poisonous to their livestock.
—Neil Sperry, Fort Worth Star-Telegram, 17 Oct. 2025
The common names of many of the poisonous Amanita mushrooms include foreboding monikers like death cap mushroom and destroying angel.
—Matt Kasson, Popular Science, 15 Oct. 2025
See All Example Sentences for poisonous
Christina Dugan Ramirez, FOXNews.com, 21 Oct. 2025
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
His career was spent helping the sheep and goat raisers with plants poisonous to their livestock.
—Neil Sperry, Fort Worth Star-Telegram, 17 Oct. 2025
The common names of many of the poisonous Amanita mushrooms include foreboding monikers like death cap mushroom and destroying angel.
—Matt Kasson, Popular Science, 15 Oct. 2025
See All Example Sentences for poisonous
Recent Examples of Synonyms for poisonous
Adjective
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Michelle spins a long and complicated tale, but insists Teddy was wrong about the Andromedans trying to infiltrate and poison humanity.—
Megan McCluskey,
Time,
31 Oct. 2025
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Constant procedural upheaval and backlogs are poison.—
Scott White,
Forbes.com,
15 Aug. 2025
Adjective
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No politician will want to be associated with a team that is now toxic.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
11 Nov. 2025
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King invented The Network at a time when people were still processing the toxic relationship between mass entertainment and mind control, and while the thrust of his story may not have aged a day, the medium is the message, and that medium has changed.—
David Ehrlich,
IndieWire,
11 Nov. 2025
Adjective
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According to the Florida Fish and Wildlife Conservation Commission, there are 44 species of native snakes in Florida, but just six are venomous.—
Latoya Gayle,
PEOPLE,
2 Nov. 2025
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Over 300,000 venomous snakebites are reported every year in sub-Saharan Africa, frequently resulting in over 7,000 deaths and as many as 14,000 limb amputations.—
Andrew Paul,
Popular Science,
29 Oct. 2025
Cite this Entry
“Poisonous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/poisonous. Accessed 18 Nov. 2025.
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