megalomania
noun/ˌmeɡələˈmeɪniə/
/ˌmeɡələˈmeɪniə/
[uncountable]- (disapproving) a strong feeling that you want to have more and more power
- (psychology) a mental illness in which somebody has a much greater belief in their own importance or power than is reasonableTopics Mental healthc2
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megalomania