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✨📕 The NEW Collegiate Dictionary, 12th Edition Over 5,000 words added —Learn More!
✨📕 The NEW Collegiate DictionaryLearn More!

abrogate

verb

ab·​ro·​gateˈa-brə-ˌgāt How to pronounce abrogate (audio)
abrogated;abrogating

transitive verb

1
formal:to abolish byauthoritative action:annul
abrogate a treaty
2
formal:to treat as nonexistent:to fail to do what is required by (something, such as a responsibility)
The company's directors are accused ofabrogating their responsibilities.
3
formal:to suppress or prevent (a biological function or process and especially an immune response)
Continued progress in measurement and characterization of antibodies and strategies toabrogate antibody production both prior to and following heart transplant have been encouraging.Peter M Eckman

Did you know?

If you can't simply wish something out of existence, the next best thing might be to "propose it away." That's more or less whatabrogate lets you do—etymologically speaking, at least.Abrogate comes from the Latin rootrogāre, which means "to ask, ask an assembly for approval of," andab-, meaning "from" or "away." Proposals aside, there’s no abrogating our responsibility to report thatrogāre is the root of a number of English words, includingprerogative,derogatory,arrogant,surrogate, andinterrogate. We'll also not abrogate our responsibility to warn against confusingabrogate with a similar word:arrogate means "to claim or seize without justification," as in "a group arrogating power to itself."Arrogate too can be traced back torogāre.

Did you know?

Should youabdicate,abrogate,abjure, or justresign?

Several words may be confused withabdicate through either a similarity of sound or of meaning. Among these areabrogate,abjure, andresign. All of these words have multiple meanings that are quite distinct from one another, yet each also has a degree of semantic overlap that renders them nearly synonymous with at least one of the others.

Abdicate is most often used to describe a head of state or member of a royal family voluntarily renouncing a position. It may also refer to the act of failing to fulfill a duty or responsibility. It shares this second meaning withabrogate (although the “failing to fulfill one’s duty” sense of this word is more common in the United Kingdom than in the United States). The senses ofabrogate most commonly found are “toannul” or “to do away with.”

Abjure may be used to mean “to abstain from” or “to give up,” but often is used with the meaning of “to disclaim formally or renounce upon oath” (it comes from the Latinjurare, meaning “to swear”).

And finally,resign is often used with the meaning of “to give up one’s office or position.”

Despite the similarities among these words, they tend to be used in fairly specific settings. You would not typically tell your employer that you areabdicating your position in order to look for a better job; you would say that you areresigning. And when the king of a country renounces his claim on the throne to marry his one true love, he would be said toabdicate, rather thanresign, his position.

Choose the Right Synonym forabrogate

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 penaltynullified the touchdown

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

the argumentsnegate each other

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

the treatyannuls all previous agreements

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

a law toabrogate trading privileges

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

the courtinvalidated the statute

Examples ofabrogate in a Sentence

If UAL continues to bleed red ink, some analysts say bankruptcy—which would allow it toabrogate its union contracts—may be its only hope.Business Week,12 Nov. 2001
We may not always like what we hear but we are always the poorer if we close down dialogue; if weabrogate free speech, and the open exchange of ideas.Nikki Giovanni,Sacred Cows … and Other Edibles,1988
For their part, some of the pipeline companies saddled with these contracts for high-priced, deregulated gas have declared that they will simplyabrogate them …Barry Commoner,New Yorker,2 May 1983
The company's directors are accused ofabrogating their responsibilities. the U.S. Congress canabrogate old treaties that are unfair to Native Americans
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.
The larger lesson here is that the American political system isn’t equipped to deal with a rogue President, particularly when one partyabrogatesits responsibilities.John Cassidy,New Yorker, 27 Oct. 2025Short of that, perhaps internal resistance within the administration or pressure from the public and the media might serve the oversight function that Congress, over the past eight months, hasabrogated.Douglas M. Charles,The Conversation, 3 Oct. 2025As the twentieth century progressed, Cuba managed toabrogate its versions of the Platt Amendment and establish new constitutions.Miriam Pensack,The Dial, 30 Sep. 2025The launch arrangement between Northrop and SpaceXabrogates NASA's preference to maintain two independent means of delivering supplies to the space station.Stephen Clark,ArsTechnica, 15 Sep. 2025See All Example Sentences forabrogate

Word History

Etymology

borrowed from Latinabrogātus, past participle ofabrogāre, "to repeal (a law), repudiate, cancel," fromab-ab- +rogāre "to ask, ask an assembly for approval of" — more atrogation

First Known Use

circa 1520, in the meaning defined atsense 1

Time Traveler
The first known use ofabrogate was circa 1520

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Cite this Entry

“Abrogate.”Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abrogate. Accessed 16 Dec. 2025.

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Kids Definition

abrogate

verb
ab·​ro·​gateˈab-rə-ˌgāt How to pronounce abrogate (audio)
abrogated;abrogating
formal
:to do away with or cancel by authority
abrogate a law

Legal Definition

abrogate

transitive verb
ab·​ro·​gateˈa-brə-ˌgāt How to pronounce abrogate (audio)
abrogated;abrogating
:to abolish by authoritative, official, or formal action:annul,repeal
a recent addition to [section] 51Babrogates statutory and common-law privilegesJ. S. J. Elder and A. G. Rodgers
Etymology

Latinabrogare, fromab- off +rogare ask, ask for approval of (a law)

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