prevent
verb (used with object)
to keep from occurring; avert; hinder.
has prevented
-
present perfectof prevent (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.
This mismatch has prevented conventional stainless steel from being used effectively in some high voltage electrochemical applications.
From Science Daily ● Aug. 11, 2026
The legal process Congress created never begins, not because the claim has been heard and rejected, but because the government has prevented the statutory obligation to hear it from arising in the first place.
From Slate ● Jun. 26, 2026
That limitation has prevented scientists from using them in electronic devices such as LEDs.
From Science Daily ● May 18, 2026
He also said robust production of gas, burned by thousands of U.S. power plants, has prevented domestic prices from rising too much.
From The Wall Street Journal ● Mar. 26, 2026
“In addition, my valve has been misbehaving and has prevented me from bending over to reach the lower drawers.”
From "A Confederacy of Dunces" by John Kennedy Toole
