1. a person who exposes or discredits false claims, myths, or beliefs

Examples

• The scientist became a famous debunker of pseudoscientific theories.
• As a professional debunker, she investigated claims of paranormal activity.
• The journalist worked as a debunker of political misinformation.
• He earned a reputation as a debunker of urban legends.
• The debunker used evidence and logic to disprove the conspiracy theory.
• Many debunkers focus on exposing fraudulent medical treatments.