megalomania

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megalomania

a mental illness characterized by delusions of grandeur, power, wealth, etc.

megalomania

[‚meg·ə·lō′mā·nē·ə]
(psychology)
The delusion of greatness and omnipotence characterizing certain psychotic reactions.
References in periodicals archive ?
The content of the patient's grandiose delusions changed after being diagnosed with hermaphrodite.
This hypothesis explains the occurrence of grandiose delusions as being an artificial instillation of meaning.
Grandiose delusions (GDs) are defined as the false beliefs of having inflated worth, power, knowledge, or a special identity, which are firmly sustained despite undeniable evidence to the contrary.
While the Arab-Israeli conflict proved to be the strongest pretext for the rise of this patriotism that is shorn of or is 'above' a homeland, the slogans of 'the Arab or Islamic Nation' also contributed to undermining the preexisting and only possible homelands, in favor of grandiose delusions that aspire to restoring imagined golden ages.
Two soldiers of fortune convince Afghan natives one of them is a god, but his grandiose delusions start to alienate his fellow traveller 1975 ***