Megalomaniac is the one who has fascination with all things exaggerated, an attitude popularly called "greatness mania".
For psychology, the megalomaniac is one who suffers from a personality disorder with delusions of power and omnipotence, fantasizing situations where he is overly revered.
The word megalomaniac comes from a combination of terms megalo, which means big, and manic, which comes from mania. For psychology, the word mania defines obsessions and pathologies linked to psychic fixations on certain things.
Among the symptoms that megalomaniacs present, or signs of this behavior, is the strong presence of narcissism, the delusions and fantasies about the real grandeur of their situation, the obsession with making any act grand and out of proportion, among others.
Megalomaniac behavior may actually be an indication of other more serious disorders, such as Bipolar disorder and the Schizophrenia.
Megalomaniac pathology is known as megalomania, but this is not a clinical disease present in the ICD (International Statistical Classification of Diseases and Related Health Problems).
The treatment indicated for megalomania does not involve medication, but psychological support so that the patient can deal with their reality better. This is as long as it is not associated with other disorders, which then may need medical care.
Historically, several famous figures are said to have suffered from megalomania, such as the French Emperor Napoleon Bonaparte.
A megalomaniac can also be called a megalomaniac, a variation of the word with the same meaning.
In English, the word megalomaniac can be translated to megalomaniac.