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Intermediate Technical IVT

grandiose delusion

False belief involving inflated self-worth, power, knowledge, or special relationship with a deity or famous person.

Full Definition

Grandiose delusions are fixed false beliefs involving an exaggerated sense of importance, power, knowledge, or identity. Patients may believe they possess special abilities, are famous individuals, have invented important discoveries, or have special relationships with prominent figures or deities. These delusions are commonly seen in manic episodes of bipolar disorder, delusional disorder grandiose type, and sometimes in schizophrenia. The content can range from mildly inflated self-importance to bizarre beliefs about supernatural powers. Grandiose delusions can significantly impact functioning and may lead to poor judgment and risky behavior.

Usage

Usage note: Document specific content; distinguish from realistic high self-esteem or professional accomplishments.

In Context

  • "The patient exhibited grandiose delusions, claiming to be a secret government agent with special powers." — Mental status examination
  • "Grandiose delusions resolved gradually as the manic episode was treated with mood stabilization." — Progress note

Also known as

delusion of grandeur megalomaniacal delusion

Don't confuse with

inflated self-esteem narcissistic traits religious delusion

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