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.
However, a top Romanian court then annulled the result after allegations emerged of electoral violations and Russian interference. Greg Norman, FOXNews.com, 27 May 2025 Faced with the possibility that a candidate backed by Russia might capture the presidency and possibly overturn Romanian democracy, the Constitutional Court took the unprecedented step of annulling the entire election and ordering it to be rerun from scratch. Veronica Anghel, Foreign Affairs, 21 May 2025 The election comes five months after the result of the original vote, which saw former far-right outsider Calin Georgescu surge in popularity, was annulled over allegations of Russian interference. Mitchell McCluskey, CNN Money, 19 May 2025 The fine in the advertising case was annulled, although the European Commission may still appeal. Bloomberg, Mercury News, 13 May 2025 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 5 Jun. 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

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