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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Example Sentences
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Recent Examples of poisonous
The incident comes a week after a horse died after ingesting a poisonous plant in the park.
—
Thomas Tracy,
New York Daily News,
18 June 2026
The plant, which is non-native and is for ornamental purposes, is poisonous to horses.
—
Alexa Herrera,
CBS News,
16 June 2026
Not only are the leaves poisonous to humans and pets, but the vine itself is invasive and can spread disease to trees.
—
Samantha Johnson,
Martha Stewart,
7 June 2026
The consequences ranged from hobbling Reconstruction to hastening the end of the Ottoman Empire to poisonous deflation, and the blundering response by governments helped shape the modern world.
—
Air Mail,
6 June 2026
See All Example Sentences for poisonous
Thomas Tracy,
New York Daily News,
18 June 2026
The plant, which is non-native and is for ornamental purposes, is poisonous to horses.
—
Alexa Herrera,
CBS News,
16 June 2026
Not only are the leaves poisonous to humans and pets, but the vine itself is invasive and can spread disease to trees.
—
Samantha Johnson,
Martha Stewart,
7 June 2026
The consequences ranged from hobbling Reconstruction to hastening the end of the Ottoman Empire to poisonous deflation, and the blundering response by governments helped shape the modern world.
—
Air Mail,
6 June 2026
See All Example Sentences for poisonous
Recent Examples of Synonyms for poisonous
Adjective
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Power to the people is poison to the powerful.
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Dropped in recent years because carbs are poison.
Adjective
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Decomposing food can release hydrogen sulfide, a toxic gas synonymous with landfills and garbage.
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Low employee morale often grows from ongoing negative interactions and toxic workplace cultures.
Adjective
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The exhibit is in partnership with the Houston Museum of Natural Science and explores the hidden dangers of the natural world, such as poisonous, venomous, or toxic plants and animals.
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Harry's book 'Spare' was especially venomous toward the family and caused a lot of hurt.
Cite this Entry
“Poisonous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/poisonous. Accessed 2 Jul. 2026.
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