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
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
But in a surprising decision in 2023, the high court declined an invitation to reshape Section 2 of the landmark voting law and invalidated Alabama's congressional map drawn by Republican lawmakers after the 2020 Census.
—
Melissa Quinn, CBS News, 22 Mar. 2025
Omitting such differences, however, can sometimes be decisive in invalidating the final evaluation, which can lead to systematic distortions in reasoning, influencing the resulting judgments and decisions.
—Cristian Randieri, Forbes, 14 Mar. 2025
He was sentenced to death, but that was commuted to life in prison after California’s Supreme Court invalidated all death sentences prior to 1972.
—Emily Krauser, People.com, 8 Mar. 2025
Friday's notice may invalidate that legal argument, though the case has other arguments to stand on, said Daniel Graham, a partner at McDermott Will & Emery and leader of their government contracts group.
—Maya Goldman, Axios, 3 Mar. 2025
See All Example Sentences for invalidate
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Melissa Quinn, CBS News, 22 Mar. 2025
Omitting such differences, however, can sometimes be decisive in invalidating the final evaluation, which can lead to systematic distortions in reasoning, influencing the resulting judgments and decisions.
—Cristian Randieri, Forbes, 14 Mar. 2025
He was sentenced to death, but that was commuted to life in prison after California’s Supreme Court invalidated all death sentences prior to 1972.
—Emily Krauser, People.com, 8 Mar. 2025
Friday's notice may invalidate that legal argument, though the case has other arguments to stand on, said Daniel Graham, a partner at McDermott Will & Emery and leader of their government contracts group.
—Maya Goldman, Axios, 3 Mar. 2025
See All Example Sentences for invalidate
Cite this Entry
“Invalidate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invalidate. Accessed 29 Mar. 2025.
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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