delusion of grandeur A delusion of grandeur is the delusion that one is a celebrated or exalted person.
delusion of persecution means A delusion of persecution means an individual's delusion that his problems are caused by other people conspiring against him.
Delusion Delusion is a belief that is false, fanciful or derived from deception. In psychiatry, a false belief strongly held in spite of evidence that it is not true, especially as a symptom of a mental illness.
Definition
[ n.]