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Definitions

poisonous

[poi-zuh-nuhs] / ˈpɔɪ zə nəs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Recent rains have contributed to the resurgence of poisonous wild mushrooms in California, including in Napa,” said a statement from Dr. Christine Wu, Napa County’s public health officer.

From Los Angeles Times • May 15, 2026

It’s got poisonous lead in it from paint.

From Salon • Mar. 6, 2026

But time and again the poisonous isolation that absolute power imposes on its wielders blunted the edge of their insight and degraded the capacity of their societies.

From The Wall Street Journal • Jan. 26, 2026

Whether you have sympathy for him, think his behaviour is appalling, or something in between, there's clearly a poisonous row raging over what he did.

From BBC • Jan. 17, 2026

This seems to have been much more than a chill, and it is likely that some form of poisonous gases from the caves had entered the room.

From "The Scientists" by John Gribbin




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