Mental Health & Substance Use

Delusion

What does Delusion mean?

A fixed false belief maintained despite strong evidence to the contrary and not explained by cultural context.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
Vaccine Glossary ↗

This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.