Megalomania

/mˌɛɡələmˈe‍ɪni‍ə/

/ˌmɛɡəɫoʊˈmeɪniə/

[noun]

Megalomania

[NOUN]

a mental condition in which a person believes themselves to be more powerful and important than they actually are

Examples

1. His paranoia and megalomania fueled his addiction and he would drink large quantities of alcohol in one sitting.

2. It's almost a story of megalomania.

3. It was perfect for Lehder’s vision for transporting Colombian snow and to feed his megalomania.

4. This can be getting your aggression out in the gym, satiating your megalomania with a video game or a board game about world domination, BDSM, or watching Rick and Morty.