NULLIFY Synonyms: 79 Similar and Opposite Words

Q: How does the verb 'nullify' differ from other similar words?

Some common synonyms of nullify are abrogate , annul , invalidate , and negate . While all these words mean "to deprive of effective or continued existence," nullify implies counteracting completely the force, effectiveness, or value of something. // a penalty nullified the touchdown

Q: How are the words 'abrogate' and 'annul' related as synonyms of 'nullify'?

Abrogate is like annul but more definitely implies a legal or official act. // a law to abrogate trading privileges

Q: When could 'annul' be used to replace 'nullify'?

The words annul and nullify are synonyms, but do differ in nuance. Specifically, annul suggests making ineffective or nonexistent often by legal or official action. // the treaty annuls all previous agreements

Q: Where would 'invalidate' be a reasonable alternative to 'nullify'?

While in some cases nearly identical to nullify , invalidate implies making something powerless or unacceptable by declaration of its logical or moral or legal unsoundness. // the court invalidated the statute

Q: When is it sensible to use 'negate' instead of 'nullify'?

The synonyms negate and nullify are sometimes interchangeable, but negate implies the destruction or canceling out of each of two things by the other. // the arguments negate each other

nullify

verb

ˈnə-lə-ˌfī

Definition of nullify next

as in to abolish

to put an end to by formal action the constitutional amendment that nullified Prohibition

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How does the verb nullify differ from other similar words?

Some common synonyms of nullify are abrogate, annul, invalidate, and negate. While all these words mean "to deprive of effective or continued existence," nullify implies counteracting completely the force, effectiveness, or value of something.

a penalty nullified the touchdown

How are the words abrogate and annul related as synonyms of nullify?

Abrogate is like annul but more definitely implies a legal or official act.

a law to abrogate trading privileges

When could annul be used to replace nullify?

The words annul and nullify are synonyms, but do differ in nuance. Specifically, annul suggests making ineffective or nonexistent often by legal or official action.

the treaty annuls all previous agreements

Where would invalidate be a reasonable alternative to nullify?

While in some cases nearly identical to nullify, invalidate implies making something powerless or unacceptable by declaration of its logical or moral or legal unsoundness.

the court invalidated the statute

When is it sensible to use negate instead of nullify?

The synonyms negate and nullify are sometimes interchangeable, but negate implies the destruction or canceling out of each of two things by the other.

the arguments negate each other

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of nullify Moore launched her shot from nearly midcourt, but the would-be game-winner was nullified by official review. —

Haley Sawyer, Oc Register, 21 Mar. 2026 In a 16-page ruling, the appeals court ruled that Francis and Vatican prosecutors both made procedural errors that nullified the original indictment against Cardinal Angelo Becciu and the others and required a new trial. —

Nicole Winfield The Associated Press, Arkansas Online, 18 Mar. 2026 Judges simply disagree, producing inconsistent rulings that neither preempt nor nullify one another. —

Michael McCann, Sportico.com, 18 Mar. 2026 In a 16-page ruling, the appeals court ruled that Francis and Vatican prosecutors both made procedural errors that nullified the original indictment against Cardinal Angelo Becciu and the others and required a new trial. —

Nicole Winfield, Chicago Tribune, 17 Mar. 2026 See All Example Sentences for nullify

Recent Examples of Synonyms for nullify

Verb

In the four and a half decades since France abolished the death penalty, the guillotine itself has rarely been seen.

— Lauren Collins, New Yorker, 1 Apr. 2026
If holistic admissions were abolished (and admissions were based solely on grades, curricular rigor and test scores), the percentage of students with parents in the top 1% of income would drop by more than a third.

— David Blobaum, Chicago Tribune, 1 Apr. 2026

Definition of abolish

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“Nullify.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nullify. Accessed 5 Apr. 2026.

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Synonyms of nullify

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