verb
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to render weak or ineffective, as an argument
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to take away the legal force or effectiveness of; annul, as a contract
Other Word Forms
- invalidation noun
- invalidator noun
Etymology
Origin of invalidate
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 family appealed the decision at tribunal, where a judge ruled that the council's failure to consult on ceasing the plan invalidated the decision.
From BBC
That strategy hit a roadblock in federal court, as a succession of rulings invalidated his attempt to revive the policy under different laws.
Customs and Border Protection, which actually computes and collects the tariffs, says it will cease collecting the invalidated levies when the clock strikes 12:01 a.m.
From Los Angeles Times
Justice Brett Kavanaugh, dissenting, warned that the ruling could create a “mess” — including the possibility of billions of dollars in refunds to U.S. businesses that paid tariffs under the invalidated authority.
From MarketWatch
This does not invalidate gold or silver as long-term hedges.
From MarketWatch
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
