invalidate
to render invalid; discredit.
to deprive of legal force or efficacy; nullify.
Origin of invalidate
1Other words for invalidate
Other words from invalidate
- 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. 2024
How to use invalidate in a sentence
In his concurring opinion, Clarence Thomas called for the invalidation of any limits on campaign donations.
The Supreme Court Rules Campaign Limits Are for Losers | Ben Jacobs | April 2, 2014 | THE DAILY BEASTThe South could not in 1861 justify her right to revolution, for there was no oppression nor invalidation of rights.
The Battle of Principles | Newell Dwight Hillis“Phrase of arms,” a series of attacks and parries ending in a hit or invalidation.
I should have heard of your being proposed for invalidation.
Trooper 3809 | Lionel DecleTo Dandrik, it threatened invalidation of everything he had taught since the morning he had opened his first class.
Ministry of Disturbance | Henry Beam Piper
No invalidation of this statement is drawn from the Greek language.
A Handbook of the English Language | Robert Gordon Latham
British Dictionary definitions for invalidate
/ (ɪnˈvælɪˌdeɪt) /
to render weak or ineffective, as an argument
to take away the legal force or effectiveness of; annul, as a contract
Derived forms of invalidate
- 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
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