prebunked

Verb

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

1. 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

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