annul

verb

an·​nul ə-ˈnəl How to pronounce annul (audio)
annulled; annulling

transitive verb

1
: to declare or make legally invalid or void
wants the marriage annulled
His title to the estate was annulled.
2
: to reduce to nothing : obliterate
3
: to make ineffective or inoperative : neutralize
annul a drug's effect
Choose the Right Synonym for annul

nullify, negate, annul, abrogate, invalidate mean to deprive of effective or continued existence.

nullify implies counteracting completely the force, effectiveness, or value of something.

a penalty nullified the touchdown

negate implies the destruction or canceling out of each of two things by the other.

the arguments negate each other

annul suggests making ineffective or nonexistent often by legal or official action.

the treaty annuls all previous agreements

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

a law to abrogate trading privileges

invalidate implies making something powerless or unacceptable by declaration of its logical or moral or legal unsoundness.

the court invalidated the statute

Examples of annul in a Sentence

unfortunately, his arrogant attitude annuls the many generous favors he does for people plans to annul their short-lived, ill-advised marriage
Recent Examples on the Web
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.
Last November, Romania’s constitutional court made the unprecedented decision to annul the first round of elections, which were led by Călin Georgescu. The Editors, National Review, 4 Apr. 2025 An Article 78 proceeding seeks to annul the preliminary subdivision approval granted by the Town of Smithtown Planning Board. Quartz Intelligence Newsroom, Quartz, 28 Mar. 2025 The oligarch convinces her to marry him at a Nevada wedding chapel (Las Vegas sportsbook?) to get a green card and the rest of the movie centers around the Oligarch parents trying to get the wedding annulled. Jay Ginsbach, Forbes, 1 Mar. 2025 Romania's Constitutional Court has annulled the results of the first round of the country's presidential election, requiring the process to be rerun. Daniel R. Depetris, Newsweek, 6 Dec. 2024 See All Example Sentences for annul

Word History

Etymology

Middle English annullen, from Anglo-French annuller, from Late Latin annullare, from Latin ad- + nullus not any — more at null

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of annul was in the 14th century

Browse Nearby Words

Cite this Entry

“Annul.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/annul. Accessed 16 Apr. 2025.

Kids Definition

annul

verb
an·​nul ə-ˈnəl How to pronounce annul (audio)
annulled; annulling
1
: to make ineffective : neutralize
2
: to bring to an end legally
annul a marriage
annulment
ə-ˈnəl-mənt
noun

Legal Definition

annul

transitive verb
an·​nul ə-ˈnəl How to pronounce annul (audio)
annulled; annulling
1
: to declare (a marriage) to have never validly existed compare divorce
2
a
: to make legally void
b
: to declare to no longer have legal effect

More from Merriam-Webster on annul

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!