To counterbalance or counteract the effect of; render ineffective.
To annul, terminate, or revoke a promise or obligation.
To make invalid; deprive of legal force
To put an end to or destroy:
Squash is to squeeze something to make it smaller, or to crush an idea, or push down an emotion.
(Obs.) To interpret; explain
(Physics) To participate in annihilation. Used of particles and antiparticles.
To counteract is to act in opposition to or against some force in order to neutralize the force.
To void or annul a judicial decision, order, and so on, usually on a motion to set aside by the party that is affected detrimentally and based upon some irregularity in the original proceeding.
To bring to an end the effect or existence of; cancel out:
To fail to follow suit in cards when required and able to do so.
Of or relating to a set having no members or to zero magnitude.
(Printing) To cause (printed matter) to transfer or smear onto another surface.
To make void; repeal or annul.
The act of refusing or canceling the act of another or the passage of a law.
To excrete body wastes.
The definition of confirm is to approve or to establish the truth or make stronger.
To confirm the validity or value of
To give social or moral sanction to:
(Intransitive) To go successfully through (an examination, trail, test, etc).
To say positively; declare firmly; assert to be true
To carry on; persist in:
To prevent from happening:
To repeal is defined as to formally withdraw, or to take something back.
To renege is to abandon something or go back on something you had promised.
Find another word for nullify. In this page you can discover 34 synonyms, antonyms, idiomatic expressions, and related words for nullify, like: abolish, neutralize, cancel, invalidate, quash, squash, undo, annihilate, negate, extinguish and counteract.