メガロマニア

noun

megalomania; delusions of grandeur

A psychiatric term for a condition characterized by grandiose delusions about one's own importance, power, or abilities. Also used more loosely to describe an exaggerated sense of self-importance.

See also: 誇大妄想 (こだいもうそう)

• 彼かれのメガロマニアは、自じ分ぶんが世せ界かいを救すくう選えらばれた人にん間げんだという妄もう想そうにまで発はっ展てんした。

  His megalomania developed into a delusion that he was the chosen one to save the world.

• その独どく裁さい者しゃのメガロマニアは、国こく民みんに甚じん大だいな被ひ害がいをもたらした。

  The dictator's megalomania caused enormous suffering to the people.