debunk
verbUK /diːˈbʌŋk/
US /diːˈbʌŋk/
To show that something people believe is not true.
The scientist debunked the myth that goldfish have a three-second memory.
OTHER MEANINGS
2. To expose a claim or belief as false or exaggerated.
The article debunked several popular health myths.
3. To strip away a false reputation or exaggerated image of someone or something.
The biography debunks the legend of the fearless general.
4. To prove a theory or idea wrong using facts or evidence.
Researchers debunked the old theory with new data.