- When you prove that a myth or often repeated story isn't true, this is an example of a time when you debunk the myth.
- When you ridicule someone who everyone else thinks is great and you try to or are successful in diminishing his reputation, this is an example of a time when you debunk.
To debunk is defined as to reveal an untruth or myth for what it is, or to reduce someone's reputation especially when the reputation is undeserved.
to expose the false or exaggerated claims, pretensions, glamour, etc. of
Origin of debunkde- + bunk
transitive verbde·bunked, de·bunk·ing, de·bunks
To expose or ridicule the falseness, sham, or exaggerated claims of: debunk a supposed miracle drug.
(third-person singular simple present debunks, present participle debunking, simple past and past participle debunked)
de- + bunk (from bunkum) 1923