poison
noun
a substance with an inherent property that tends to destroy life or impair health.
has poisoned
-
present perfectof poison (3rd person singular).present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
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.
Leo condemned "a deadly mix of obscure interests and indifference toward the common good, which has poisoned the natural and social environment".
From Barron's ● May 23, 2026
Social media has poisoned adolescence, and digital technology has widened the gulf between children and parents.
From The Wall Street Journal ● Mar. 13, 2026
Writing in the Daily Mail, Nadine Dorries said "online hate has poisoned public life, it's intolerable, it's often unbearable and it has to end".
From BBC ● Oct. 23, 2021
“You can’t trust a chef that has poisoned a restaurant to serve a delicious dinner that’s completely healthy when that chef still has access to all the poison in the kitchen.”
From Los Angeles Times ● Nov. 10, 2020
Maybe his fever is returning; maybe the sludge they drank in the hotel cellar has poisoned him.
From "All the Light We Cannot See" by Anthony Doerr
