Delusion
A false belief which cannot be explained by cultural norms and that the patient often holds strongly. There are many forms, two of which are grandiose (e.g., the belief that one is God) and persecutory (e.g., thinking that aliens are trying to kill him or her). Delusions are a form of psychosis which often occur in the course of a severe mental disorder, such as schizophrenia or bipolar disorder.
Get the Delusion mug.