invalidate
verb (used with object)
to render invalid; discredit.
has invalidated
-
present perfectof invalidate (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.
The court has invalidated far less novel exercises of government power on precisely those grounds.
From Slate ● Apr. 15, 2026
It was the second time this month that a court has invalidated a key legal strategy used by plaintiffs in thousands of cases attempting to hold the pharmaceutical industry responsible for the crisis.
From New York Times ● Nov. 9, 2021
The tribunal, created by Congress in 2011, adjudicates the validity of hundreds of patents annually and has invalidated more than 2,000 patents.
From Reuters ● Jun. 21, 2021
The manager for Stephanie Clifford, who goes by the stage name Stormy Daniels, tells The Associated Press that Clifford believes that Trump’s personal lawyer, Michael Cohen, has invalidated a nondisclosure agreement.
From Seattle Times ● Feb. 14, 2018
The question is one of fact; it is the development of actual industry that has invalidated the theory which, in the seventies, expressed an important truth concerning economic relations in England.
From Introduction to the Science of Sociology by Robert Ezra Park
