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
The measure, if passed, would be retroactive and invalidate any results of judicial retention votes on the Nov. 5 ballot.
—
Jimmy Jenkins, The Arizona Republic, 5 Nov. 2024
These efforts include invalidating mail-in ballots, purging swing state voter rolls, and challenging the votes of Americans and military service members overseas.
—Jeff Raikes, Forbes, 30 Oct. 2024
Their rulings can shape policy and alter or invalidate laws.
—Sommer Brugal, Axios, 29 Oct. 2024
The rules that Cox invalidated include three that had gotten a lot of attention – one that requires that the number of ballots be hand-counted after the close of polls and two that had to do with the certification of election results.
—Kate Brumback, The Christian Science Monitor, 17 Oct. 2024
See all Example Sentences for invalidate 
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Jimmy Jenkins, The Arizona Republic, 5 Nov. 2024
These efforts include invalidating mail-in ballots, purging swing state voter rolls, and challenging the votes of Americans and military service members overseas.
—Jeff Raikes, Forbes, 30 Oct. 2024
Their rulings can shape policy and alter or invalidate laws.
—Sommer Brugal, Axios, 29 Oct. 2024
The rules that Cox invalidated include three that had gotten a lot of attention – one that requires that the number of ballots be hand-counted after the close of polls and two that had to do with the certification of election results.
—Kate Brumback, The Christian Science Monitor, 17 Oct. 2024
See all Example Sentences for invalidate
Dictionary Entries Near invalidate
Cite this Entry
“Invalidate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invalidate. Accessed 30 Nov. 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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