Also found in: Thesaurus, Legal.


tr.v. in·val·i·dat·ed, in·val·i·dat·ing, in·val·i·dates
To make invalid; nullify.

in·val′i·da′tion n.
in·val′i·da′tor n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.invalidating - establishing as invalid or untrue
unsupportive - not furnishing support or assistance
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
His indignant countrymen actually caused him to be prosecuted in the native courts, on a charge nearly equivalent to what we term defamation of character; but the old fellow persisting in his assertion, and no invalidating proof being adduced, the plaintiffs were cast in the suit, and the cannibal reputation of the defendant firmly established.
Those who charge passengers could also end up invalidating their insurance policies, as most providers won't cover motorists who are secretly making a profit.
Likewise, fronting, where you add someone else as the main driver on your vehicle for cheaper insurance, could mean you're breakingthe law- and at risk of invalidating your cover.
Today's EPO decision follows a ruling in November 2017 (published in January 2018), invalidating a similar Immunex European patent also claiming antibodies that target human IL-4R.
(REGN) announced two important legal developments invalidating Immunex patents with functional claims to antibodies that target human interleukin-4 receptors.
Before grappling with whether to add "appearance of bias" as a separate common law ground for invalidating an appraisal, the SJC examined whether the appraisal should be voided instead due to a material breach of the contract governing the appraisal.
'The burden of proof was not discharged by the petitioner and therefore the High Court erred in invalidating the Martin Wambora's election as governor of Embu County,' the judges ruled.
This is illegal and, as well as invalidating insurance, can carry fines up to PS2500.
The parliamentary life in Kuwait had witnessed an unprecedented move in 2012 when the parliament of February was invalidated by the Constitutional Court, thus, invalidating membership of Usama Al-Shaheen, Adel Al-Damkhi, Abdullah Al-Turaiji and Abdulhameed Dashti.
by Hassan Khitab on 20 September, 2014 - 11:35 KABUL (Pajhwok): The Independent Electoral Complaints Commission (IECC) on Saturday rejected an objection from the poll panel to its decision on invalidating votes from 118 polling centres.
Also beware that looking at inappropriate content might risk invalidating your fast.
If the PTO determines that the petitioner has demonstrated established a reasonable likelihood that they will succeed in invalidating at least one claim, an IPR is instituted.