invalidate
verb
in·val·i·date
(ˌ)in-ˈva-lə-ˌdāt 
invalidated; invalidating; invalidates
: to make invalid
especially
: to weaken or destroy the cogency of
Synonyms
Examples of invalidate in a Sentence
actions that will invalidate the contract
The study invalidates earlier theories.
factors that may invalidate the test results
Recent Examples on the Web
In 2022, a law, which was enacted to help address overcrowding in California’s prison, was passed that would invalidate some criminal penalty enhancements such as for some prior convictions for nonviolent and drug convictions.
—
Christine Pelisek, Peoplemag, 31 May 2024
The group's suit, known as NRA v. Vullo, had been tossed out by the U.S. Court of Appeals for the 2nd Circuit, but the unanimous court invalidated the lower court's ruling and sent the case back for further proceedings.
—Melissa Quinn, CBS News, 30 May 2024
The bill would invalidate any policies already adopted by school districts across the state, such as Chino Valley Unified, which was sued by the attorney general last year for requiring that parents be notified if a student requests to be addressed by a different name or pronouns.
—Kristen Taketa, San Diego Union-Tribune, 22 May 2024
Not being willing to validate or listen to your feelings of frustration or loneliness can be invalidating and is a barrier to communication in the relationship.
—Dominique Fluker, Essence, 21 May 2024
See all Example Sentences for invalidate 
Christine Pelisek, Peoplemag, 31 May 2024
The group's suit, known as NRA v. Vullo, had been tossed out by the U.S. Court of Appeals for the 2nd Circuit, but the unanimous court invalidated the lower court's ruling and sent the case back for further proceedings.
—Melissa Quinn, CBS News, 30 May 2024
The bill would invalidate any policies already adopted by school districts across the state, such as Chino Valley Unified, which was sued by the attorney general last year for requiring that parents be notified if a student requests to be addressed by a different name or pronouns.
—Kristen Taketa, San Diego Union-Tribune, 22 May 2024
Not being willing to validate or listen to your feelings of frustration or loneliness can be invalidating and is a barrier to communication in the relationship.
—Dominique Fluker, Essence, 21 May 2024
See all Example Sentences for invalidate
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'invalidate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near invalidate
Cite this Entry
“Invalidate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invalidate. Accessed 7 Jun. 2024.
Copy CitationKids Definition
invalidate
verb
in·val·i·date
(ˈ)in-ˈval-ə-ˌdāt
: to weaken or destroy the effect of
evidence invalidating their claim
Legal Definition
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