A paranoid delusion of grandeur in which an individual believes that he or she is an important person or is carrying out great plans. The Megalomaniac has fantasies of magical control over things and activities in the environment (see Narcissistic Personality Disorder).
Megalomania (from the Greek word Î¼ÎµÎ³Î±Î»Î¿Î¼Î±Î½Î¯Î±) is a psychopathological condition characterized by delusional fantasies of wealth, power, or omnipotence - often generally termed as delusions of grandeur. It includes an obsession with grandiose or extravagant things or actions. It is sometimes symptomatic of manic or paranoid disorders.