prebunk

prebunk verb: to counter potential misinformation by warning people against it before it is disseminated.

Verb

prebunk (third-person singular simple present prebunks, present participle prebunking, simple past and past participle prebunked)

To counter potential misinformation by warning people against it before it is disseminated.
- They predicted that the warning would work by “pre-bunking” the false information that may come someone's way (rather than debunking it afterward). […] However, if the fake petition was “pre-bunked” with a vaccine, subjects held on to their higher estimation of a scientific consensus.2017 February 12, Sean Greene, “Fake news may be vulnerable to ‘vaccination’ Experiment shows that ‘pre-bunking’ can offset false information”, in Baltimore Sun, page A 6
- The theory is that it is easier to “prebunk” disinformation before it spreads than to debunk it once it has taken hold.2019 October 29, John Thornhill, “Developing tools in the fight against deepfakes”, in Financial Times, page 15

prebunk (plural prebunks)

An act of prebunking.
- [Twitter] will also publish so-called ‘prebunks’ specific to potentially misleading information on vaccines, they said.2020 November 30, Anumeha Chaturvedi, “No Vaccine Yet for Fake News Epidemic”, in The Economic Times, New Delhi
- The company already has a dedicated climate topic on its site and offered what it described as “prebunks” during last year’s UN climate conference to counter misinformation surrounding climate change.2022 April 24, “Twitter outlaws climate sceptics”, in Sunday Post, Dundee, page 6

Twitter on Monday announced a new effort to preemptively debunk, or “prebunk” in Twitter parlance, some of the most commonly circulated false and misleading information about the election.2020 October 27th, Mike Isaac, “Twitter to Highlight Accurate Voting Information”, in New York Times, page A 15:
Exposing the people who do so in Australia, and removing them from the perch they sing from, can help collectively prebunk us.2022, Ed Coper, Facts and Other Lies: Welcome to the Disinformation Age, Allen & Unwin, →ISBN, page 282:
It is impossible to know what would have happened if the FBI had not prebunked the allegations about Biden family influence peddling.2024 October 30, “ELECTION INTERFERENCE: HOW THE FBI “PREBUNKED” A TRUE STORY ABOUT THE BIDEN FAMILY’S CORRUPTION IN ADVANCE OF THE 2020...
The prebunk prepares readers with genuine information as well as the ability to spot the exact misinformation that may be coming their way.2023 January 18, Targeted News Service, “National Association of Science Writers: Beyond The Debunk - How Science Journalists Can Report On...

Verb
third-person singular present	prebunks
present participle	prebunking
past participle	prebunked
past	prebunked
Noun
plural	prebunks

Blend of pre- + debunk. By surface analysis, pre- + bunk.

What does prebunk mean?: Prebunk means to counter potential misinformation by warning people against it before it is disseminated.
How do you use prebunk in a sentence?: Twitter on Monday announced a new effort to preemptively debunk, or “prebunk” in Twitter parlance, some of the most commonly circulated false and misleading information about the election.
What part of speech is prebunk?: Prebunk can be a verb or a noun.
What is the past tense of prebunk?: The past tense of prebunk is prebunked.

Adapted from Wiktionary: prebunk (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this entry: “prebunk.” Word.ws, https://word.ws/prebunk. Based on Wiktionary, CC BY-SA 4.0.