- to render or declare legally void or inoperative: to nullify a contract.
- to deprive (something) of value or effectiveness; make futile or of no consequence.
Origin of nullify
SynonymsSee more synonyms on Thesaurus.com
1, 2. invalidate, annul, void, cancel.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for nullify
Then he tried to claim there were no “hostilities” in Libya, to nullify the War Powers Resolution.Congress Set to Bow to Obama on ISIS War
September 5, 2014
Joni Ernst, the Republican nominee for U.S. Senate in Iowa, appears to believe states can nullify federal laws.Exclusive: GOP Senate Candidate Caught Saying States Can Nullify Laws
July 28, 2014
So, rather than seek to nullify her message, he and Farooqui sought to present a counter-narrative.Jews Respond to “Savage” Subway Ads
September 28, 2012
But it was Marbury that cemented the idea in our legal culture that federal courts can nullify acts of Congress.
No longer would bare 5-4 majorities have the ability to nullify laws supported by a majority of the people.
The ray does more than nullify gravity—can be made to reverse gravity!Lords of the Stratosphere
Arthur J. Burks
Nor did he try to gloss over or strive to nullify his own dishonorable actions.Garrison's Finish
W. B. M. Ferguson
It was his duty to nullify this mutiny if he could, and therefore he turned to the men again.Turned Adrift
Nothing could nullify it, nothing could take it away; it was almost their belief in life.Sons and Lovers
David Herbert Lawrence
Every means was taken to nullify the value of the "palladium of British liberty."The Big Bow Mystery
- to render legally void or of no effect
- to render ineffective or useless; cancel out
C16: from Late Latin nullificāre to despise, from Latin nullus of no account + facere to make
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
Word Origin and History for nullify
Online Etymology Dictionary, © 2010 Douglas Harper