to render invalid; discredit.
to deprive of legal force or efficacy; nullify.
- in·val·i·da·tion, noun
- in·val·i·da·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use invalidate in a sentence
A data transfer mechanism called Standard Contractual Clauses was not invalidated by the CJEU.Privacy complaint targets European parliament’s COVID-19 test-booking site | Natasha Lomas | January 22, 2021 | TechCrunch
A group of gig workers and the SEIU labor union filed a petition this week in the California Supreme Court seeking to invalidate Prop.Sacramento Report: Voepel Under Fire for ‘Shots Fired’ Remarks | Sara Libby | January 15, 2021 | Voice of San Diego
One hundred and twenty-eight members of the House of Representatives and seven senators participated in efforts to overturn legally certified elections and invalidate the votes of millions of people in numerous states.Harvard, Stanford, Yale: Denounce sedition of your graduates | Peter Rosenstein | January 14, 2021 | Washington Blade
A San Diego Superior Court judge agreed with the criticisms, and invalidated the plan.County’s New Climate Plan Could Use the System That Doomed the Old Plan | MacKenzie Elmer | January 13, 2021 | Voice of San Diego
When Democrats in Oregon invalidated one of Hayes’s electors, the contest became stalemated at 184 votes apiece.Ted Cruz’s proposed election commission can only hurt the country | Stuart MacKay | January 6, 2021 | Washington Post
However, in an encouraging sign for clinics—and common sense—the narrow ruling does not invalidate buffer zones in general.The Supreme Court Lets Abortion Clinics Protect Themselves | Sally Kohn | June 26, 2014 | THE DAILY BEAST
While the Court did not invalidate Section 5, it did rule Section 4(b) unconstitutional.Eric Cantor’s Last, Legacy-Burnishing Task: Update the VRA | Ron Christie | June 16, 2014 | THE DAILY BEAST
The gun lobby is currently funding lawsuits all over America, trying to invalidate local, state, and federal gun restrictions.
Is the Supreme Court going to invalidate campaign finance laws further in the aftermath of its 2010 decision in Citizens United?McCutcheon v. FEC: Big Money Fights Back at the Supreme Court | Ben Jacobs | October 9, 2013 | THE DAILY BEAST
A consortium of scientists and the American Civil Liberties Union eventually sued to invalidate the patents a few years ago.
Here and there roving parties appeared, but having no recognized leaders, their existence did not invalidate the treaty.The Philippine Islands | John Foreman
A foreign patent in order to invalidate an American patent must antedate the invention patented.Putnam's Handy Law Book for the Layman | Albert Sidney Bolles
He has indeed fought the letter, and perhaps come off victorious; but does he invalidate its spirit?The Way to Abolish Slavery | Charles Stearns
Provided, that no omission of any of the foregoing duties on the part of an Umpire shall of itself invalidate a game or match.The Sportswoman's Library, v. 2 | Various
This does not by any means invalidate the idea that Voice Culture is properly a subject for scientific regulation.The Psychology of Singing | David C. Taylor
British Dictionary definitions for invalidate
to render weak or ineffective, as an argument
to take away the legal force or effectiveness of; annul, as a contract
- invalidation, noun
- invalidator, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012